Base Set Pokémon Flute 86/102: PSA 9 vs PSA 10
On Base Set Pokémon Flute 86/102, PSA 10 sells for 7.6x a PSA 9, a $603 delta, which is an unusually wide gem-mint premium. Based on the last tracked PSA 10 sale of $695.00 on Mar 12, 2026, the crack-and-resub math favors the resub: expected value is positive even at a conservative 15% upgrade probability.
PSA 10
$695.00
Last sale $695.00 on
PSA 9
$92.00
Last sale $92.00 on
PSA 8
$16.00
Last sale $24.00 on
The Spread
The PSA 9 to PSA 10 spread on Pokémon Flute 86/102 (Base Set).
$603
Dollar gap, PSA 9 to PSA 10
7.6x
PSA 10 sells for 7.6x 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
Base Set 86/102 Pokémon Flute is a WOTC-era release from 1999. The gap between its PSA 9 and PSA 10 prices is $603.
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