diff --git a/subgraph/tests/metaBoard.test.ts b/subgraph/tests/metaBoard.test.ts
index 2576159c..9b799ad2 100644
--- a/subgraph/tests/metaBoard.test.ts
+++ b/subgraph/tests/metaBoard.test.ts
@@ -11,6 +11,7 @@ import {
 } from "matchstick-as";
 import {
   createNewMetaV1Event,
+  handleNewMetaV1Events,
   CONTRACT_ADDRESS,
   OTHER_CONTRACT_ADDRESS,
 } from "./utils";
@@ -391,3 +392,95 @@ describe("Test MetaV1 ids are scoped to their metaboard", () => {
     assert.bigIntEquals(board.nextMetaId, BigInt.fromI32(2));
   });
 });
+
+const firstCounterTransactionHash =
+  "0x1111111111111111111111111111111111111111111111111111111111111111";
+const secondCounterTransactionHash =
+  "0x2222222222222222222222222222222222222222222222222222222222222222";
+const thirdCounterTransactionHash =
+  "0x3333333333333333333333333333333333333333333333333333333333333333";
+
+describe("Test MetaBoard nextMetaId counter", () => {
+  afterEach(() => {
+    clearStore();
+    clearInBlockStore();
+  });
+
+  test("nextMetaId counts one per meta the board has seen", () => {
+    handleNewMetaV1Events([
+      createNewMetaV1Event(
+        CONTRACT_ADDRESS,
+        sender,
+        subject,
+        Bytes.fromHexString(metaString),
+        firstCounterTransactionHash,
+        transactionBlockNumber,
+        transactionTimestamp,
+      ),
+      createNewMetaV1Event(
+        CONTRACT_ADDRESS,
+        sender,
+        subject,
+        Bytes.fromHexString(metaString),
+        secondCounterTransactionHash,
+        transactionBlockNumber,
+        transactionTimestamp,
+      ),
+      createNewMetaV1Event(
+        CONTRACT_ADDRESS,
+        sender,
+        subject,
+        Bytes.fromHexString(metaString),
+        thirdCounterTransactionHash,
+        transactionBlockNumber,
+        transactionTimestamp,
+      ),
+    ]);
+
+    assert.entityCount(ENTITY_TYPE_META_BOARD, 1);
+    assert.entityCount(ENTITY_TYPE_META_V1, 3);
+
+    const board = MetaBoard.load(CONTRACT_ADDRESS) as MetaBoard;
+    assert.bigIntEquals(board.nextMetaId, BigInt.fromI32(3));
+  });
+
+  // Cross-board MetaV1 identity is #206's; this asserts only the counters.
+  test("Each metaboard counts only its own metas", () => {
+    handleNewMetaV1Events([
+      createNewMetaV1Event(
+        CONTRACT_ADDRESS,
+        sender,
+        subject,
+        Bytes.fromHexString(metaString),
+        firstCounterTransactionHash,
+        transactionBlockNumber,
+        transactionTimestamp,
+      ),
+      createNewMetaV1Event(
+        OTHER_CONTRACT_ADDRESS,
+        sender,
+        subject,
+        Bytes.fromHexString(metaString),
+        secondCounterTransactionHash,
+        transactionBlockNumber,
+        transactionTimestamp,
+      ),
+      createNewMetaV1Event(
+        CONTRACT_ADDRESS,
+        sender,
+        subject,
+        Bytes.fromHexString(metaString),
+        thirdCounterTransactionHash,
+        transactionBlockNumber,
+        transactionTimestamp,
+      ),
+    ]);
+
+    assert.entityCount(ENTITY_TYPE_META_BOARD, 2);
+
+    const board = MetaBoard.load(CONTRACT_ADDRESS) as MetaBoard;
+    const otherBoard = MetaBoard.load(OTHER_CONTRACT_ADDRESS) as MetaBoard;
+    assert.bigIntEquals(board.nextMetaId, BigInt.fromI32(2));
+    assert.bigIntEquals(otherBoard.nextMetaId, BigInt.fromI32(1));
+  });
+});