diff --git a/js/src/custom-bg.ts b/js/src/custom-bg.ts
index 181d4efb..232b4fb9 100644
--- a/js/src/custom-bg.ts
+++ b/js/src/custom-bg.ts
@@ -15,6 +15,10 @@ const RETARDIO_KEY = new PublicKey(
   "J2Q2j6kpSg7tq8JzueCHNTQNcyNnQkvr85RhsFnYZWeG",
 );
 
+const NUMBER_ART_KEY = new PublicKey(
+  "6vwnZJZNQjtY4zR93YUuyeDUBhacLLH2mQaZiJAvVwzu",
+);
+
 export const getCustomBgKeys = (domain: string, customBg: CustomBg) => {
   const hashedBg = getHashedNameSync(customBg);
   const hashedDomain = getHashedNameSync(domain);
@@ -41,6 +45,17 @@ export const getArtistPubkey = (bg: CustomBg): PublicKey => {
       return RETARDIO_KEY;
     case CustomBg.Retardio3:
       return RETARDIO_KEY;
+    case CustomBg.NumberArt0:
+    case CustomBg.NumberArt1:
+    case CustomBg.NumberArt2:
+    case CustomBg.NumberArt3:
+    case CustomBg.NumberArt4:
+    case CustomBg.NumberArt5:
+    case CustomBg.NumberArt6:
+    case CustomBg.NumberArt7:
+    case CustomBg.NumberArt8:
+    case CustomBg.NumberArt9:
+      return NUMBER_ART_KEY;
     default:
       throw new InvalidCustomBgError("The given background is invalid");
   }
diff --git a/js/src/types/custom-bg.ts b/js/src/types/custom-bg.ts
index de87d686..182fa7e5 100644
--- a/js/src/types/custom-bg.ts
+++ b/js/src/types/custom-bg.ts
@@ -4,4 +4,14 @@ export enum CustomBg {
   Retardio1 = "Retardio#1",
   Retardio2 = "Retardio#2",
   Retardio3 = "Retardio#3",
+  NumberArt0 = "NumberArt#0",
+  NumberArt1 = "NumberArt#1",
+  NumberArt2 = "NumberArt#2",
+  NumberArt3 = "NumberArt#3",
+  NumberArt4 = "NumberArt#4",
+  NumberArt5 = "NumberArt#5",
+  NumberArt6 = "NumberArt#6",
+  NumberArt7 = "NumberArt#7",
+  NumberArt8 = "NumberArt#8",
+  NumberArt9 = "NumberArt#9",
 }