![Mark McGwire [Error]](https://guardiantcg.b-cdn.net/placeholder-card.svg?width=400&quality=80)
Mark McGwire [Error] sold prices & eBay comps · Price chart
1988 Topps checklist with prices · 1988 Topps completion cost · Baseball price guide
| Condition / Grade | Price | 7d | 30d | Recent Sales |
|---|---|---|---|---|
| Raw / Ungraded | $3.62 | N/A | N/A | N/A |
| PSA 8 | $19.00 | N/A | N/A | See sold listings |
| Source | Price | Basis | Action |
|---|---|---|---|
| Guardian Estimate | $3.62 | 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 McGwire [Error] price trends, view grading values, and get market alerts on Guardian TCG. Updated daily with data from multiple sources.
![Don Mattingly [AL]](https://GuardianTCG.b-cdn.net/placeholder-card.svg)
Don Mattingly [AL] — $63.55 John Morris — $10.92 Tom Glavine [Error] — $3.99 Checklist 397-528 [Steve Carlton] — $3.00 Keith Comstock [White] — $2.75 Mike Aldrete — $2.49 Kevin Elster — $2.49 Carmelo Martinez — $2.41 Tigers Leaders — $2.28 Danny Cox — $2.15Baseball cards priced near $3.62:
Mark McGwire [Error] from 1988 Topps is currently worth $3.62 in 2026. Prices are updated daily from multiple sources.
Mark McGwire [Error] is a Unknown card from the 1988 Topps set in Baseball.
You can compare prices and buy Mark McGwire [Error] on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $3.62.
Mark McGwire [Error] from 1988 Topps is currently worth $3.62 in 2026. Prices are updated daily from multiple sources.
Mark McGwire [Error] is a Unknown card from the 1988 Topps set in Baseball.
You can compare prices and buy Mark McGwire [Error] on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $3.62.