We read the serial off the card photo, so you can find the exact card even when it's not in the title.
Browse every serial-numbered sports card listed on eBay, from one-of-one chase cards to /5, /25, /99, /150, and beyond. Continuously updated.
Guides on serial-numbered sports cards: how to find them, what makes them valuable, and what the numbers actually mean.
Guide · August 14, 2026
Yes, and in two separate ways. The print run sets the baseline (fewer copies, more value), but the specific serial number can add a premium on top: a jersey match, a birthday, a 1/1, a bookend, or a low number. Here's how each works.
Guide · August 11, 2026
Aaron Judge wears number 99 for the New York Yankees. Here's how he ended up with it, why it's one of the best jersey numbers in the hobby, and how to find a Judge 99 (and the rare 99/99 double jersey match).
Guide · August 11, 2026
Michael Jordan is synonymous with 23, but he also wore 45 on his 1995 return, 9 for Team USA, and 12 for a single game after his jersey was stolen. Here's every number he wore, and why they matter to card collectors.
Guide · August 7, 2026
A birthday card is a serial-numbered sports card whose serial spells out a date, like 1201/2025 for December 1, 2025. Here's how the date encoding works, why collectors chase them, and how to find one numbered to your day.
Guide · August 2, 2026
A serial number is the one thing on a card you can make personal. Here's how to find a card numbered to your birthday, your day, your year, or any meaningful number, even though sellers rarely put the serial in the listing title.
Guide · July 29, 2026
An 'eBay 1/1' is a seller's marketing term for a regular numbered card framed as one-of-a-kind. It's a bit misleading: the listing should just name the real characteristic (bookend, jersey match, or color match). Here's the difference and how to read past it.
Guide · July 17, 2026
A first look at double jersey matches (X/X where X is the player's jersey number, like Aaron Judge 99/99). Typical premium: 187% over the previous comp. 21 of 22 sold above their comp. A smaller, Judge-heavy sample than our 100-sale studies, with the caveats noted.
Guide · July 13, 2026
An analysis of 100 recent jersey match sales vs comparable non-match sales. Typical premium: 60%. 87% sold above the last comp. 43 hit a 100%+ premium. The '2x-4x' rule holds for the average but overstates the typical sale.
Guide · July 11, 2026
Head-to-head on value, rarity, availability, and buyer demand. Bookend premium data comes from a 100-sale analysis. Jersey match premium is based on observed sold-listing patterns. Directional winner: jersey match, by a large margin.
Guide · July 8, 2026
A color match card is a serial-numbered parallel whose color matches the player's team, like a green Prizm of a Packers player or a purple Optic of a Lakers player. Why they sell for 30-100% more, and how they stack with jersey matches and bookends.
Guide · July 8, 2026
A jersey match is a serial-numbered card where the numerator matches the player's jersey number, like LeBron 23/99 or Brady 12/25. What makes them the most predictable price premium in the hobby, how rare they are, and how to find one.
Guide · July 7, 2026
An analysis of 100 recent bookend card sales vs comparable non-bookend sales in the prior three months. Typical premium: 20%. 63% sold above the last non-bookend comp. 21 hit a 100%+ premium. Full breakdown by print run and bookend type.
Guide · July 4, 2026
A /99 card is one of 99 total copies. Here's how the numerator and denominator work, why /99 is one of the most collected print runs, and which specific copies command a premium.
Guide · July 4, 2026
The four-color CMYK printing plates get released as 1/1s after each print run. Here's how they work, why they're not quite the same as a base 1/1, and which color plate sells for the most.
Guide · July 4, 2026
A bookend is the first (1/X) or last (X/X) copy of a print run. Here's the typical resale premium, how bookends compare to jersey matches, and how to find them on eBay.
Guide · June 15, 2026
Use the serial number to make the card personal: jersey-match the player, match the birthday, or pick a meaningful date. Plus budget tiers and how to find one.
Guide · June 14, 2026
A plain-English guide to print runs, 1/1 cards, parallels, and what those numbers stamped in the corner actually mean.
Guide · June 13, 2026
Most eBay sellers don't put the serial in the title, which makes specific serial hunts nearly impossible by hand. Here's the workaround.