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Base Set Pidgey 57/102: PSA 9 vs PSA 10

The PSA 10 to PSA 9 spread on Base Set Pidgey 57/102 is a meaningful PSA 10 premium: $78, with PSA 10 copies trading at 2.9x a PSA 9. Based on the last tracked PSA 10 sale of $150.00 on May 1, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.

Base Set Pidgey 57/102
PSA 10
$119.50
Last sale $150.00 on
PSA 9
$41.77
Last sale $50.99 on
PSA 8
$43.00
Last sale $43.00 on

The Spread

The PSA 9 to PSA 10 spread on Pidgey 57/102 (Base Set).

$78
Dollar gap, PSA 9 to PSA 10
2.9x
PSA 10 sells for 2.9x 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 $78 gap between PSA 9 and PSA 10, a 2.9x multiple on the PSA 9 price.

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