Internal tool for assembling Four Corners Collective mystery packs sold on Whatnot.
Scan a card → AI identifies it → you confirm hit-type toggles → it's assigned to a slot
(commons / rookies / hits). Pack saves to the catalog when complete.
$20 Standard = 20 commons + 2 rookies + 3 hits.
$40 Premium = 18 commons + 2 rookies + 5 hits (min 2 hard hits — auto/graded/numbered).
SEARCH
MY COLLECTION (0)
📦 BUILD A PACK
Search for any sports card. Results come from active eBay listings — use the ADD button to save a card to your collection.
Cross-device sync
Your sync ID
—
—
Disabling only removes the sync ID from this device — your collection stays on the server and can be re-imported with the ID.
Enable sync
Generate a sync ID and push your current collection to the server. Paste the ID on any other device to see the same collection.
Import from another device
Replaces this device's collection with the one stored under that sync ID.