2023 Topps Tier One · 2023
The Mark McGwire (#TIR-MMCT, 2023 Topps Tier One, 2023) is a rare Baseball card. Across 1 ZeroPop community scans it averages a 9.0/10 grade (MINT), with 0% grading Gem Mint 9.5 or higher.
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Real community scans of the Mark McGwire, graded across the scale, with the typical value at each tier.
Community average: 9.0 (MINT) · based on 1 ZeroPop scans
Across 1 community scans on ZeroPop, the Mark McGwire averages a 9.0/10 overall grade. 0% reach Gem Mint (9.5+). Sub-grade averages: corners 9.0, edges 9.0, surface 9.0, centering 8.5.
The most frequently flagged condition issues on scanned Mark McGwire cards are Sharp (100% of scans).
Whether the Mark McGwire is worth submitting depends on its raw value versus its graded value and your predicted grade. ZeroPop scans the card, predicts a PSA/BGS/CGC grade, and runs the break-even math before you pay submission fees.
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