MLB Baseball cards · Most popular
As of October 16, 2026, the most popular William Contreras card is the 2018 Bowman Chrome Purple Refractor · Prospect Autographs — it isn't for sale right now.
His first Bowman autograph in the Purple Refractor version, numbered to 250. A PSA 10 sold for $163 in April 2024.
2018 Bowman Chrome Purple Refractor · Prospect Autographs value & sales →The Refractor version of his first autograph, numbered to 499, and the easier of his early signed cards to find.
2018 Bowman Chrome Refractor · Prospect Autographs value & sales →His signed Topps Chrome rookie in Green Refractor, numbered to 99.
2021 Topps Chrome Green Refractor · Rookie Autographs value & sales →The signed version of his Topps Chrome rookie card, from his Atlanta Braves days.
2021 Topps Chrome Rookie Autographs value & sales →The Sapphire Edition of his rookie autograph, a blue-tinted premium version of Topps Chrome.
2021 Topps Chrome Sapphire Rookie Autographs value & sales →The cards that anchor a William Contreras collection: his 2018 Bowman Chrome first autograph, his 2021 Topps Chrome rookie and its autograph parallels. He is the Milwaukee Brewers catcher whose tying homer and go-ahead RBI helped win Game 2 of the 2026 NLCS on Oct. 12. Ranked by grail status and collector demand; prices update daily.
A gold, signed rookie from Topps Finest, numbered to 50.
2021 Topps Finest Gold Refractor · Rookie Autographs value & sales →A scarce prospect card with a red shimmer finish, numbered to just 10.
2020 Bowman Chrome Red Shimmer Refractor · Prospects value & sales →A 2019 Bowman Chrome prospect card in green shimmer, numbered to 99.
2019 Bowman Chrome Green Shimmer Refractor · Prospects value & sales →The Refractor version of his Topps Chrome rookie, with a mirror-like finish.
2021 Topps Chrome Refractor value & sales →The base Topps Chrome rookie, the most widely collected and most affordable of his rookie cards.
2021 Topps Chrome value & sales →Didn’t see the one you want? Browse every William Contreras card for sale, with photos
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We rank by popularity — how coveted a card is — not by price alone. A card rises on its iconic standing (flagship rookies, on-card autographs, and marquee inserts), its scarcity (low serial numbers and true one-of-ones), and collector demand, with market value as a strong signal. The most expensive card isn't always the most popular.
Every list is checked against several sources before it goes live. The facts — how rare a card is, what it sells for, which versions exist — come only from card checklists, price trackers, and real sold listings.
What the community is chasing shapes how we order the list, but it never counts as a fact on its own. It tells us about demand, not whether a card truly belongs at the top.
We only call a card's rarity confirmed when the maker officially publishes the number. Otherwise we label it an estimate — and we never make a number up.
Each card photo comes from the eBay listing its button points to, so you're always seeing a real card that's actually for sale — credited to that listing, never taken from the card maker.