Fossil Muk 13/62: PSA 9 vs PSA 10
Fossil Muk 13/62 shows an unusually wide gem-mint premium between PSA 9 and PSA 10: a $373 dollar gap, with the gem mint multiplier at 8.3x. Based on the most recent PSA 10 sale of $380.00 on May 21, 2026, the crack-and-resub math favors the resub: expected value is positive even at a conservative 15% upgrade probability.
PSA 10
$424.33
Last sale $380.00 on
PSA 9
$51.28
Last sale $67.14 on
PSA 8
$31.71
Last sale $29.50 on
The Spread
The PSA 9 to PSA 10 spread on Muk 13/62 (Fossil).
$373
Dollar gap, PSA 9 to PSA 10
8.3x
PSA 10 sells for 8.3x 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 WOTC-era holo carrying a $373 gap between PSA 9 and PSA 10, an 8.3x multiple on the PSA 9 price.
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