1 of 1 · Sightings tracker

Has this 1/1 been seen?

Before you pay chase-spot prices on a one-of-one, check whether it has already shown up in public — a sale, a listing, an owner. Sereal records the evidence; it doesn’t rule on it.

Seen a 1/1 in public? Report a sighting

2 one-of-ones tracked·2 sightings on record

Latest find

Cooper Flagg

2026 · Topps Chrome Update · Rookie Debut Patch · #Redemption · Patch Auto

ReportedMedium

Social post · 08-10-2026

See the record

Recently sighted

Connor McDavid

2015 · Upper Deck Ultimate Collection · Rookie Spectrum Teal Autograph Shield · #109 · Spectrum Teal Shield

Last seen 05-17-2025

Public sale recordedMedium

Community-reported sightings — not proof a card was or wasn’t pulled. Entries can be challenged or removed.

Sereal is a collectibles tracker for people who actually pull, grade, and sell. The 1/1 tracker is the free, public corner of it.

Track your collection in Sereal