Brian Harper sold prices & eBay comps · Price chart
1989 Bowman checklist with prices · 1989 Bowman completion cost · Baseball price guide
| Condition / Grade | Price | 7d | 30d | Recent Sales |
|---|---|---|---|---|
| Raw / Ungraded | $0.99 | N/A | N/A | N/A |
| PSA 10 | $12.89 | N/A | N/A | See sold listings |
Grading premium: PSA 10 is worth 1202% more than raw.
| 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 Brian Harper price trends, view grading values, and get market alerts on Guardian TCG. Updated daily with data from multiple sources.
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Ken Griffey Jr. [Autograph] — $144.25 Ken Griffey Jr. — $6.57 Craig Reynolds — $3.86 Doug Jones — $3.63 Mike Flanagan — $3.12 Don Robinson — $2.99 Jack Morris — $2.60 Oddibe McDowell — $2.50 Jim Traber — $2.49 Kevin McReynolds — $2.49 Brian Harper (1985 Topps) — $1.99 Brian Harper (1989 Topps) — $1.99 Brian Harper (1990 Donruss) — $1.79 Brian Harper (1989 Donruss) — $1.49 Brian Harper (1986 Topps) — $1.29 Brian Harper (1990 Topps) — $1.25 Brian Harper (1990 Score) — $1.10 Brian Harper (1989 Score) — $1.02 Brian Harper (1989 Upper Deck) — $0.99 Brian Harper (1989 Fleer) — $0.99Baseball cards priced near $0.99:
Brian Harper from 1989 Bowman is currently worth $0.99 in 2026. Prices are updated daily from multiple sources.
Brian Harper is a Unknown card from the 1989 Bowman set in Baseball.
You can compare prices and buy Brian Harper on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $0.99.
Brian Harper from 1989 Bowman is currently worth $0.99 in 2026. Prices are updated daily from multiple sources.
Brian Harper is a Unknown card from the 1989 Bowman set in Baseball.
You can compare prices and buy Brian Harper on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $0.99.