Base Set Gust of Wind 93/102: PSA 9 vs PSA 10
The PSA 10 to PSA 9 spread on Base Set Gust of Wind 93/102 is a modest premium: $14, with PSA 10 copies trading at 1.3x a PSA 9. Based on the last tracked PSA 10 sale of $45.00 on May 12, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$68.50
Last sale $45.00 on
PSA 9
$54.51
Last sale $54.51 on
PSA 8
$20.14
Last sale $25.27 on
The Spread
The PSA 9 to PSA 10 spread on Gust of Wind 93/102 (Base Set).
$14
Dollar gap, PSA 9 to PSA 10
1.3x
PSA 10 sells for 1.3x 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 Base Set picture: a WOTC-era card carrying a $14 gap between PSA 9 and PSA 10, a 1.3x multiple on the PSA 9 price.
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