Mark Williamson sold prices & eBay comps · Price chart
1989 Score checklist with prices · 1989 Score completion cost · Baseball price guide
| Condition / Grade | Price | 7d | 30d | Recent Sales |
|---|---|---|---|---|
| Raw / Ungraded | $0.99 | N/A | N/A | N/A |
| Source | Price | Basis | Action |
|---|---|---|---|
| Guardian Estimate | $0.99 | Blended market value | View price history |
Sources tracked: current_price_snapshot.
Guardian combines marketplace prices, recent sold listings, graded-card estimates, and cross-market checks into one daily card value. We separate raw and graded prices where data is available, ignore obvious outliers, and update card pages as new market data arrives.
Track Mark Williamson price trends, view grading values, and get market alerts on Guardian TCG. Updated daily with data from multiple sources.
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Floyd Bannister [Missing Reverse Copyright] — $19.95![Dan Plesac [Prototype]](https://storage.googleapis.com/images.pricecharting.com/grfevyqm7o2c4wyi/1600.jpg)
Dan Plesac [Prototype] — $19.95![Walt Terrell [Prototype]](https://storage.googleapis.com/images.pricecharting.com/corr2kt25yhdh2jr6n7a/1600.jpg)
Walt Terrell [Prototype] — $19.95![Paul Gibson [Fixed]](https://storage.googleapis.com/images.pricecharting.com/dbfntkuysv3wvjv3/1600.jpg)
Paul Gibson [Fixed] — $7.50
Storm Davis — $4.75
Paul Gibson — $3.60![Ray Knight [Reverse]](https://storage.googleapis.com/images.pricecharting.com/corrsdncov3q3ucwuwet/1600.jpg)
Ray Knight [Reverse] — $3.50![Wade Boggs [Error]](https://storage.googleapis.com/images.pricecharting.com/corrybrmwhuxjdmqjtq5/1600.jpg)
Wade Boggs [Error] — $2.99
Eddie Murray — $2.38
Dave Anderson — $2.35
Mark Williamson (1990 Upper Deck) — $1.77 Mark Williamson (1991 Upper Deck) — $1.65
Mark Williamson (1990 Donruss) — $1.53 Mark Williamson (1991 Donruss) — $1.30
Mark Williamson (1988 Donruss) — $1.27
Mark Williamson (1989 Topps) — $1.27 Mark Williamson (1991 Topps) — $1.23
Mark Williamson (1990 Fleer) — $1.22
Mark Williamson (1990 Score) — $1.18
Mark Williamson (1989 Fleer) — $1.17Baseball cards priced near $0.99:
Mark Williamson from 1989 Score is currently worth $0.99 in 2026. Prices are updated daily from multiple sources.
Mark Williamson is a Unknown card from the 1989 Score set in Baseball.
You can compare prices and buy Mark Williamson on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $0.99.
Mark Williamson from 1989 Score is currently worth $0.99 in 2026. Prices are updated daily from multiple sources.
Mark Williamson is a Unknown card from the 1989 Score set in Baseball.
You can compare prices and buy Mark Williamson on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $0.99.