Base Set Beedrill #17: PSA 9 vs PSA 10
On Base Set Beedrill #17, the PSA 10 premium is a meaningful PSA 10 premium: PSA 10 sells for 2.6x a PSA 9, a $97 delta. Based on the most recent PSA 10 sale of $167.90 on May 29, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$156.48
Last sale $167.90 on
PSA 9
$59.54
Last sale $64.27 on
PSA 8
$28.67
Last sale $35.00 on
The Spread
The PSA 9 to PSA 10 spread on Beedrill #17 Base Set.
$97
Dollar gap, PSA 9 to PSA 10
2.6x
PSA 10 sells for 2.6x 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
Where this card lands in the broader Base Set picture: a non-holo with a $97 gap between PSA 9 and PSA 10. The PSA 9 to PSA 10 jump on WOTC-era cards reflects population scarcity at the top grade, not raw print run.
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