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SWSH12: Silver Tempest Mawile V 178/195: PSA 9 vs PSA 10

SWSH12: Silver Tempest Mawile V 178/195 shows a modest premium between PSA 9 and PSA 10: a $14 dollar gap, with the gem mint multiplier at 1.7x. Based on the last tracked PSA 10 sale of $33.00 on Jul 7, 2025, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.

SWSH12: Silver Tempest Mawile V 178/195
PSA 10
$33.00
Last sale $33.00 on
PSA 9
$19.20
Last sale $19.20 on
PSA 8
$8.80
Last sale $8.80 on

The Spread

The PSA 9 to PSA 10 spread on Mawile V 178/195 (SWSH12: Silver Tempest).

$14
Dollar gap, PSA 9 to PSA 10
1.7x
PSA 10 sells for 1.7x 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

SWSH12: Silver Tempest 178/195 Mawile V is a modern-era release from 2022. The gap between its PSA 9 and PSA 10 prices is $14.

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