Fossil Graveler #37: PSA 9 vs PSA 10
Fossil Graveler #37 shows one of the widest gaps in vintage WOTC between PSA 9 and PSA 10: a $100 dollar gap, with the gem mint multiplier at 5.4x. Based on the most recent PSA 10 sale of $122.50 on Mar 25, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$122.50
Last sale $122.50 on
PSA 9
$22.50
Last sale $22.50 on
PSA 8
$19.00
Last sale $19.00 on
The Spread
The PSA 9 to PSA 10 spread on Graveler #37 Fossil.
$100
Dollar gap, PSA 9 to PSA 10
5.4x
PSA 10 sells for 5.4x a PSA 9
Three-Outcome EV Calculator
15%
70%
15%
Defaults are conservative starting points. Adjust based on the specific slab. A borderline 9 with strong centering plays differently than a 9 with edge wear.
PSA 10 outcome (sale price minus resub minus acquisition)
$0
PSA 9 outcome (regrade, no upgrade)
$0
PSA 8 outcome (downgrade, slower sell, tied capital)
$0
Expected Value
$0
Math favors holding the 9
Where this card lands in the broader Fossil picture: a non-holo with a $100 gap between PSA 9 and PSA 10. The PSA 9 to PSA 10 jump on WOTC-era cards reflects population scarcity at the top grade, not raw print run.
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