eBay Store · Sports Cards & Memorabilia
Top‑graded cards.
Sold right.
Slabs 23 is a graded trading card and sports memorabilia storefront — sourced, packed, and shipped by a collector who still opens his own boxes.
The two flagship collections
2021 Mosaic Rookie Autographs
The complete 98‑card set — every card PSA graded, 50 of them one‑of‑ones.
Joe Montana #293 — PSA 10 Rainbow
Every parallel of card #293 ever pulled, each one graded PSA 10 Gem Mint.
Featured listings
Harry Caray & Bill Veeck Signed Baseball
Dual-signature autograph — $3,499.99
Trevor Lawrence — Gold #/10
2021 Mosaic RA‑1 autograph — $2,399.99
Trevor Lawrence — Gold #/10
2021 Mosaic RA‑1 autograph — $2,199.99
Jaylen Waddle — Gold #/10
2021 Mosaic RA‑8 autograph — $324.99
The four highest‑priced active listings on the eBay store, as of September 21, 2026. Prices and availability change, so check eBay for the latest.
Inside the case
How it works
Browse the store
Every active listing lives on eBay, where you're covered by eBay's own buyer protection.
Ask before you buy
Message Jim directly through eBay or Instagram with grading, condition, or shipping questions.
Fast, careful shipping
Slabs are packed to survive the trip — cards ship the way they're meant to arrive: mint.
Run by a collector, not a warehouse
Jim started Slabs 23 the way most sellers do — buying, grading, and trading cards for the love of the hobby. Over 2,700 completed sales later, it's grown into a full‑time eBay business built on the same thing it started with: knowing the cards.
- Listings and payments handled entirely through eBay
- Both PSA‑graded slabs and raw, ungraded cards — condition always noted in the listing
- Direct contact with the seller — no call center
- Active storefront across eBay, Instagram, and Facebook