diff --git a/config/sql/se/Collections.sql b/config/sql/se/Collections.sql
index a45ef812..272d6f1f 100644
--- a/config/sql/se/Collections.sql
+++ b/config/sql/se/Collections.sql
@@ -3,6 +3,7 @@ CREATE TABLE IF NOT EXISTS `Collections` (
   `Name` varchar(255) NOT NULL,
   `UrlName` varchar(255) NOT NULL,
   `Type` enum('series', 'set') NULL,
+  `ArePlaceholdersComplete` tinyint(1) NOT NULL DEFAULT 0,
   PRIMARY KEY (`CollectionId`),
   UNIQUE KEY `idxUnique` (`UrlName`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/lib/Collection.php b/lib/Collection.php
index 63418fee..7f5d1c47 100644
--- a/lib/Collection.php
+++ b/lib/Collection.php
@@ -11,6 +11,8 @@ class Collection{
 	public string $Name;
 	public string $UrlName;
 	public ?Enums\CollectionType $Type = null;
+	public bool $ArePlaceholdersComplete; /** Has a producer verified that every possible item in this `Collection` been added to our database? */
+
 	protected ?string $_Url = null;