diff --git a/hwe/_admin2.php b/hwe/_admin2.php
index 4281e2eb..913f7fac 100644
--- a/hwe/_admin2.php
+++ b/hwe/_admin2.php
@@ -48,54 +48,25 @@ $db = DB::db();
                     <font color=red>접속제한</font><br><b style=background-color:red;>블럭회원</b>
                 </td>
                 <td width=105 rowspan=12>
-                    <?php
+                    <select name=genlist[] size=20 multiple style='color:white;background-color:black;font-size:14px'>
+                        <?php
+                        $generalList = $db->query('SELECT `no`, `name`, npc, `block` FROM general ORDER BY npc, binary(`name`)');
 
-                    echo "
-            <select name=genlist[] size=20 multiple style='color:white;background-color:black;font-size:14px'>";
-                    $generalList = $db->query('SELECT `no`, `name`, npc, `block` FROM general ORDER BY npc, binary(`name`)');
-
-                    foreach ($generalList as $general) {
-                        $style = "style=;";
-                        if ($general['block']         > 0) {
-                            $style .= "background-color:red;";
-                        }
-
-                        $npcColor = getNPCColor($general['npc']);
-                        if($npcColor !== null){
-                            $style .= "color:{$npcColor};";
-                        }
-
-                        echo "
-                <option value={$general['no']} $style>{$general['name']}</option>";
-                    }
-
-                    echo "
-            </select>
-        </td>
-        <td width=100 align=center>아이템 지급</td>
-        <td width=504>
-            <select name=weapon size=1 style='color:white;background-color:black;font-size:14px'>";
-                    foreach (GameConst::$allItems as $itemCategories) {
-                        foreach ($itemCategories as $item => $cnt) {
-                            if ($cnt == 0) {
-                                continue;
+                        foreach ($generalList as $general) {
+                            $style = "style=;";
+                            if ($general['block']         > 0) {
+                                $style .= "background-color:red;";
                             }
-                            $itemObj = buildItemClass($item);
-                            if ($itemObj->isBuyable()) {
-                                continue;
+
+                            $npcColor = getNPCColor($general['npc']);
+                            if ($npcColor !== null) {
+                                $style .= "color:{$npcColor};";
                             }
+
+                            echo "<option value={$general['no']} $style>{$general['name']}</option>";
                         }
-                    }
-                    for ($i = 0; $i < 27; $i++) {
-                        echo "
-                <option value={$i}>{$i}</option>";
-                    }
-                    ?>
+                        ?>
                     </select>
-                    <input type=submit name=btn value='무기지급'>
-                    <input type=submit name=btn value='책지급'>
-                    <input type=submit name=btn value='말지급'>
-                    <input type=submit name=btn value='도구지급'>
                 </td>
             </tr>
             <tr>
diff --git a/hwe/_admin2_submit.php b/hwe/_admin2_submit.php
index fb0b717f..660c204b 100644
--- a/hwe/_admin2_submit.php
+++ b/hwe/_admin2_submit.php
@@ -200,95 +200,6 @@ switch ($btn) {
             $msg->send(true);
         }
         break;
-    case "무기지급":
-
-        if ($item == 'None') {
-            $text = "무기 회수!";
-        } else {
-            $text = getItemName($item) . " 지급!";
-        }
-
-        foreach ($genlist as $generalID) {
-            $msg = new Message(Message::MSGTYPE_PRIVATE, $src, MessageTarget::buildQuick($generalID), $text, new \DateTime(), new \DateTime('9999-12-31'), []);
-            $msg->send(true);
-        }
-
-        if ($item === 'None') {
-            $db->update('general', [
-                'weapon' => 'None'
-            ], '`no` IN %li', $genlist);
-        } else {
-            $db->update('general', [
-                'weapon' => $item
-            ], '`no` IN %li', $genlist, $item);
-        }
-        break;
-    case "책지급":
-        if ($item == 'None') {
-            $text = "책 회수!";
-        } else {
-            $text = getItemName($item) . " 지급!";
-        }
-
-        foreach ($genlist as $generalID) {
-            $msg = new Message(Message::MSGTYPE_PRIVATE, $src, MessageTarget::buildQuick($generalID), $text, new \DateTime(), new \DateTime('9999-12-31'), []);
-            $msg->send(true);
-        }
-
-        if ($item == 'None') {
-            $db->update('general', [
-                'book' => 'None'
-            ], '`no` IN %li', $genlist);
-        } else {
-            $db->update('general', [
-                'book' => $item
-            ], '`no` IN %li', $genlist);
-        }
-        break;
-    case "말지급":
-        if ($item == 'None') {
-            $text = "말 회수!";
-        } else {
-            $text = getItemName($item) . " 지급!";
-        }
-
-        foreach ($genlist as $generalID) {
-            $msg = new Message(Message::MSGTYPE_PRIVATE, $src, MessageTarget::buildQuick($generalID), $text, new \DateTime(), new \DateTime('9999-12-31'), []);
-            $msg->send(true);
-        }
-
-        if ($item == 'None') {
-            $db->update('general', [
-                'horse' => 'None'
-            ], '`no` IN %li', $genlist);
-        } else {
-            $db->update('general', [
-                'horse' => $item
-            ], '`no` IN %li', $genlist);
-        }
-        break;
-    case "도구지급":
-        if ($item == 'None') {
-            $text = "특수도구 회수!";
-        } else {
-            $text = getItemName($item) . " 지급!";
-        }
-
-        foreach ($genlist as $generalID) {
-            $msg = new Message(Message::MSGTYPE_PRIVATE, $src, MessageTarget::buildQuick($generalID), $text, new \DateTime(), new \DateTime('9999-12-31'), []);
-            $msg->send(true);
-        }
-
-        if ($item == 'None') {
-            $db->update('general', [
-                'item' => 'None'
-            ], '`no` IN %li', $genlist);
-        } else {
-            $db->update('general', [
-                'item' => $item
-            ], '`no` IN %li AND item < %i', $genlist, $item);
-        }
-        break;
     case "하야입력":
         $db->update('general_turn', [
             'action' => 'che_하야',
diff --git a/hwe/func.php b/hwe/func.php
index 66774df1..0e7b550b 100644
--- a/hwe/func.php
+++ b/hwe/func.php
@@ -3,6 +3,7 @@
 namespace sammo;
 
 use DateTime;
+use Ds\Set;
 use sammo\Enums\InheritanceKey;
 use sammo\Enums\RankColumn;
 use sammo\Event\Action;
@@ -1665,6 +1666,10 @@ function giveRandomUniqueItem(RandUtil $rng, General $general, string $acquireTy
     $logger->pushGlobalActionLog("<Y>{$generalName}</>{$josaYi} <C>{$itemName}</>{$josaUl} 습득했습니다!");
     $logger->pushGlobalHistoryLog("<C><b>【{$acquireType}】</b></><D><b>{$nationName}</b></>의 <Y>{$generalName}</>{$josaYi} <C>{$itemName}</>{$josaUl} 습득했습니다!");
 
+    $givenUnique =$gameStor->getValue('givenUnique') ?? [];
+    $givenUnique[$itemCode] = ($givenUnique[$itemCode] ?? 0) + 1;
+    $gameStor->setValue('givenUnique', $givenUnique);
+
     return true;
 }
 
@@ -1866,6 +1871,11 @@ function tryInheritUniqueItem(RandUtil $rng, General $general, string $acquireTy
 
     $general->applyDB($db);
 
+    $gameStor = KVStorage::getStorage($db, 'game_env');
+    $givenUnique =$gameStor->getValue('givenUnique') ?? [];
+    $givenUnique[$ownTarget] = ($givenUnique[$ownTarget] ?? 0) + 1;
+    $gameStor->setValue('givenUnique', $givenUnique);
+
     //같은 종류의 유니크를 입찰했을 수 있으니 한번 더 검사한다.
     tryRollbackInheritUniqueItem($rng, $general);
 
diff --git a/hwe/sammo/API/Auction/BidUniqueAuction.php b/hwe/sammo/API/Auction/BidUniqueAuction.php
new file mode 100644
index 00000000..9c5c7948
--- /dev/null
+++ b/hwe/sammo/API/Auction/BidUniqueAuction.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace sammo\API\Auction;
+
+use sammo\Session;
+use DateTimeInterface;
+use sammo\AuctionUniqueItem;
+use sammo\Validator;
+use sammo\GameConst;
+use sammo\General;
+
+use function sammo\buildItemClass;
+
+class BidUniqueAuction extends \sammo\BaseAPI
+{
+  public function validateArgs(): ?string
+  {
+    $availableItems = [];
+    foreach (GameConst::$allItems as $items) {
+      foreach ($items as $itemKey => $amount) {
+        if ($amount == 0) {
+          continue;
+        }
+        $availableItems[$itemKey] = $amount;
+      }
+    }
+
+    $v = new Validator($this->args);
+    $v->rule('required', [
+      'auctionID',
+      'amount',
+    ])
+      ->rule('int', 'amount')
+      ->rule('int', 'auctionID')
+      ->rule('boolean', 'extendCloseDate');
+
+    if (!$v->validate()) {
+      return $v->errorStr();
+    }
+    return null;
+  }
+
+  public function getRequiredSessionMode(): int
+  {
+    return static::REQ_GAME_LOGIN;
+  }
+
+  public function launch(Session $session, ?DateTimeInterface $modifiedSince, ?string $reqEtag)
+  {
+    $auctionID = $this->args['auctionID'];
+    $amount = $this->args['amount'];
+    $tryExtendCloseDate = $this->arg['extendCloseDate'] ?? false;
+
+    $generalID = $session->generalID;
+    $general = General::createGeneralObjFromDB($generalID);
+    $auction = new AuctionUniqueItem($auctionID, $general);
+    $result = $auction->bid($amount, $tryExtendCloseDate);
+
+    if (is_string($result)) {
+      return $result;
+    }
+
+    return null;
+  }
+}
diff --git a/hwe/sammo/API/Auction/OpenUniqueAuction.php b/hwe/sammo/API/Auction/OpenUniqueAuction.php
index 21c6e2ee..ef3928ec 100644
--- a/hwe/sammo/API/Auction/OpenUniqueAuction.php
+++ b/hwe/sammo/API/Auction/OpenUniqueAuction.php
@@ -4,14 +4,12 @@ namespace sammo\API\Auction;
 
 use sammo\Session;
 use DateTimeInterface;
-use sammo\Betting;
-use sammo\DB;
-use sammo\DTO\BettingItem;
+use sammo\AuctionUniqueItem;
 use sammo\Validator;
 use sammo\GameConst;
-use sammo\KVStorage;
-use sammo\UserLogger;
-use sammo\Util;
+use sammo\General;
+
+use function sammo\buildItemClass;
 
 class OpenUniqueAuction extends \sammo\BaseAPI
 {
@@ -34,7 +32,7 @@ class OpenUniqueAuction extends \sammo\BaseAPI
     ])
       ->rule('int', 'amount')
       ->rule('min', 'amount', GameConst::$inheritItemUniqueMinPoint)
-      ->rule('keyExists', 'item', $availableItems);
+      ->rule('keyExists', 'itemID', $availableItems);
 
 
     if (!$v->validate()) {
@@ -50,22 +48,22 @@ class OpenUniqueAuction extends \sammo\BaseAPI
 
   public function launch(Session $session, ?DateTimeInterface $modifiedSince, ?string $reqEtag)
   {
-    /** @var int */
-    $bettingID = $this->args['bettingID'];
-    /** @var int[] */
-    $bettingType = $this->args['bettingType'];
-    /** @var int */
+    $itemID = $this->args['itemID'];
     $amount = $this->args['amount'];
+    $generalID = $session->generalID;
 
-    $bettingHelper = new Betting($bettingID);
-    try {
-      $bettingHelper->bet($session->generalID, $session->userID, $bettingType, $amount);
-    } catch (\Throwable $e) {
-      return $e->getMessage();
+    $itemObj = buildItemClass($itemID);
+    $general = General::createGeneralObjFromDB($generalID);
+
+    $auctionResult = AuctionUniqueItem::openItemAuction($itemObj, $general, $amount);
+
+    if(is_string($auctionResult)) {
+      return $auctionResult;
     }
 
     return [
-      'result' => true
+      'result' => true,
+      'auctionID' => $auctionResult->id,
     ];
   }
 }
diff --git a/hwe/sammo/API/General/DropItem.php b/hwe/sammo/API/General/DropItem.php
index 61c82db9..317aea01 100644
--- a/hwe/sammo/API/General/DropItem.php
+++ b/hwe/sammo/API/General/DropItem.php
@@ -2,6 +2,7 @@
 
 namespace sammo\API\General;
 
+use Ds\Set;
 use sammo\DB;
 use sammo\Validator;
 
@@ -9,6 +10,7 @@ use sammo\Session;
 use sammo\GameConst;
 use sammo\General;
 use sammo\JosaUtil;
+use sammo\KVStorage;
 
 class DropItem extends \sammo\BaseAPI
 {
@@ -56,12 +58,30 @@ class DropItem extends \sammo\BaseAPI
     $logger->pushGeneralActionLog("<C>{$itemName}</>{$josaUl} 버렸습니다.");
 
     $nationName = $me->getStaticNation()['name'];
+    $db = DB::db();
     if (!$item->isBuyable()) {
       $logger->pushGlobalActionLog("<Y>{$generalName}</>{$josaYi} <C>{$itemName}</>{$josaUl} 잃었습니다!");
       $logger->pushGlobalHistoryLog("<R><b>【망실】</b></><D><b>{$nationName}</b></>의 <Y>{$generalName}</>{$josaYi} <C>{$itemName}</>{$josaUl} 잃었습니다!");
+
+      $gameStor = KVStorage::getStorage($db, 'game_env');
+      $givenUnique = $gameStor->getValue('givenUnique') ?? [];
+      $itemCode = $item->getRawClassName();
+      if (key_exists($itemCode, $givenUnique)) {
+        $givenUniqueCnt = $givenUnique[$itemCode];
+        $givenUniqueCnt -= 1;
+        if ($givenUniqueCnt <= 0) {
+          unset($givenUnique[$itemCode]);
+        } else {
+          $givenUnique[$itemCode] = $givenUniqueCnt;
+        }
+      } else {
+        //XXX: 처리하지 못한 코드가 있는가?
+        //FIXME: 여기에서 무언가 경고를 내야함
+      }
+      $gameStor->setValue('givenUnique', $givenUnique);
     }
 
-    $me->applyDB(DB::db());
+    $me->applyDB($db);
 
     return null;
   }
diff --git a/hwe/sammo/Auction.php b/hwe/sammo/Auction.php
index 7284b779..1d609c80 100644
--- a/hwe/sammo/Auction.php
+++ b/hwe/sammo/Auction.php
@@ -317,8 +317,6 @@ class Auction
       return '입찰에 실패했습니다: DB 오류';
     }
 
-
-
     $general->setVar($resType->value, $general->getVar($resType->value) - $morePoint);
 
     if ($myPrevBid === null || ($highestBid !== null && $myPrevBid->id !== $highestBid->id)) {
diff --git a/hwe/sammo/AuctionUniqueItem.php b/hwe/sammo/AuctionUniqueItem.php
index 21af7aae..c717d08b 100644
--- a/hwe/sammo/AuctionUniqueItem.php
+++ b/hwe/sammo/AuctionUniqueItem.php
@@ -3,6 +3,7 @@
 namespace sammo;
 
 use DateTimeImmutable;
+use Ds\Set;
 use sammo\DTO\AuctionBidItem;
 use sammo\DTO\AuctionInfo;
 use sammo\DTO\AuctionInfoDetail;
@@ -59,10 +60,33 @@ class AuctionUniqueItem extends Auction
       return '구매할 수 있는 아이템입니다.';
     }
 
+    $itemKey = $item->getRawClassName();
+    $db = DB::db();
+    $auctionIDonProgress = $db->queryFirstField(
+      'SELECT `id` FROM ng_auction WHERE `finished` = 0 AND `target` = %s AND `target` = %s',
+      AuctionType::UniqueItem->value,
+      $itemKey
+    );
+    if ($auctionIDonProgress !== null) {
+      return '이미 경매가 진행중입니다.';
+    }
+
+    $gameStor = KVStorage::getStorage($db, 'game_env');
+    $givenUnique = $gameStor->getValue('givenUnique') ?? [];
+    $givenUniqueCnt = $givenUnique[$itemKey] ?? 0;
+    $remainUniqueCnt = 0;
+    foreach (GameConst::$allItems as $itemList) {
+      if (!key_exists($itemKey, $itemList)) {
+        continue;
+      }
+      $remainUniqueCnt += $itemList[$itemKey];
+    }
+    if ($remainUniqueCnt > 1 && $givenUniqueCnt >= $remainUniqueCnt - 1) {
+      return '더이상 이 아이템을 경매로 가져갈 수 없습니다.';
+    }
+
     $now = new DateTimeImmutable();
 
-    $db = DB::db();
-    $gameStor = KVStorage::getStorage($db, 'game_env');
     $turnTerm = $gameStor->getValue('turnterm');
 
     $closeDate = $now->add(TimeUtil::secondsToDateInterval(
@@ -76,7 +100,7 @@ class AuctionUniqueItem extends Auction
       null,
       AuctionType::UniqueItem,
       false,
-      $item->getRawClassName(),
+      $itemKey,
       $general->getID(),
       ResourceType::inheritancePoint,
       $now,
@@ -113,6 +137,9 @@ class AuctionUniqueItem extends Auction
   {
 
     $itemKey = $this->info->target;
+    if ($itemKey === null) {
+      throw new \Exception('아이템 키가 없습니다.');
+    }
     $itemObj = buildItemClass($itemKey);
     $general = $bidder;
     $availableItemTypes = [];
@@ -192,6 +219,11 @@ class AuctionUniqueItem extends Auction
     $logger->pushGlobalHistoryLog("<C><b>【보물발견】</b></><D><b>{$nationName}</b></>의 <Y>{$generalName}</>{$josaYi} <C>{$itemName}</>{$josaUl} 습득했습니다!");
 
     $general->applyDB($db);
+
+    $givenUnique = $gameStor->getValue('givenUnique') ?? [];
+    $givenUnique[$itemKey] = ($givenUnique[$itemKey] ?? 0) + 1;
+    $gameStor->setValue('givenUnique', $givenUnique);
+
     return null;
   }
 
@@ -263,7 +295,60 @@ class AuctionUniqueItem extends Auction
 
   public function bid(int $amount, bool $tryExtendCloseDate = false): ?string
   {
-    //TODO: 입찰 가능 제한확인(다른 경매 진행 등)
+
+    $db = DB::db();
+    /** @var AuctionInfo[] */
+    $openUniqueAuctions = array_map(fn ($raw) => AuctionInfo::fromArray($raw), $db->query(
+      'SELECT * FROM `ng_auction` WHERE `finished` = 0 AND `type`= %s',
+      AuctionType::UniqueItem->value
+    ) ?? []);
+
+    $db = DB::db();
+    $rawHighestBids = Util::convertArrayToDict($db->queryFirstRow(
+      'SELECT * FROM ng_auction_bid WHERE auction_id IN %i ORDER BY `amount` DESC LIMIT 1',
+      $this->info->id
+    ) ?? [], 'auction_id');
+    /** @var array<int,AuctionBidItem> */
+    $highestBids = Util::mapWithKey(
+      fn ($auctionID, $bid) => AuctionBidItem::fromArray($bid),
+      $rawHighestBids
+    );
+
+    $itemCode = $this->info->target;
+    $bidItemTypes = new Set();
+    foreach (GameConst::$allItems as $itemType => $itemList) {
+      if (($itemList[$itemCode] ?? 0) <= 0) {
+        continue;
+      }
+      $bidItemTypes->add($itemType);
+    }
+
+    foreach ($openUniqueAuctions as $auction) {
+      $auctionID = $auction->id;
+      if (!isset($highestBids[$auctionID])) {
+        continue;
+      }
+      if ($auctionID === $this->auctionID) {
+        continue;
+      }
+
+      $bid = $highestBids[$auctionID];
+      if ($bid->generalID !== $this->general->getID()) {
+        continue;
+      }
+
+      $itemCodeComp = $auction->target;
+
+      foreach (GameConst::$allItems as $itemType => $itemList) {
+        if (($itemList[$itemCodeComp] ?? 0) <= 0) {
+          continue;
+        }
+        if ($bidItemTypes->contains($itemType)) {
+          return '1순위 입찰자인 경매중에 같은 부위가 있습니다.';
+        }
+      }
+    }
+
     return parent::bid($amount, $tryExtendCloseDate);
   }
 }
diff --git a/hwe/sammo/Command/General/che_장비매매.php b/hwe/sammo/Command/General/che_장비매매.php
index 2204dae9..a7faaf89 100644
--- a/hwe/sammo/Command/General/che_장비매매.php
+++ b/hwe/sammo/Command/General/che_장비매매.php
@@ -13,7 +13,8 @@ use \sammo\{
     GameConst,
     GameUnitConst,
     LastTurn,
-    Command
+    Command,
+    KVStorage
 };
 
 use function \sammo\buildItemClass;
@@ -181,12 +182,28 @@ class che_장비매매 extends Command\GeneralCommand
             $general->onArbitraryAction($general, $rng, '장비매매', '판매', ['itemCode' => $itemCode]);
             $general->setItem($itemType, null);
 
-            if(!$itemObj->isBuyable()){
+            if (!$itemObj->isBuyable()) {
                 $generalName = $general->getName();
                 $josaYi = JosaUtil::pick($generalName, '이');
                 $nationName = $general->getStaticNation()['name'];
                 $logger->pushGlobalActionLog("<Y>{$generalName}</>{$josaYi} <C>{$itemName}</>{$josaUl} 판매했습니다!");
                 $logger->pushGlobalHistoryLog("<R><b>【판매】</b></><D><b>{$nationName}</b></>의 <Y>{$generalName}</>{$josaYi} <C>{$itemName}</>{$josaUl} 판매했습니다!");
+
+                $gameStor = KVStorage::getStorage($db, 'game_env');
+                $givenUnique = $gameStor->getValue('givenUnique') ?? [];
+                if (key_exists($itemCode, $givenUnique)) {
+                    $givenUniqueCnt = $givenUnique[$itemCode];
+                    $givenUniqueCnt -= 1;
+                    if ($givenUniqueCnt <= 0) {
+                        unset($givenUnique[$itemCode]);
+                    } else {
+                        $givenUnique[$itemCode] = $givenUniqueCnt;
+                    }
+                } else {
+                    //XXX: 처리하지 못한 코드가 있는가?
+                    //FIXME: 여기에서 무언가 경고를 내야함
+                }
+                $gameStor->setValue('givenUnique', $givenUnique);
             }
         }