SWSH: Crown Zenith Ditto #107: PSA 9 vs PSA 10
On SWSH: Crown Zenith Ditto #107, the PSA 10 premium is one of the widest gaps in vintage WOTC: PSA 10 sells for 6.9x a PSA 9, a $68 delta. Based on the last tracked PSA 10 sale of $79.97 on Feb 14, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$79.97
Last sale $79.97 on
PSA 9
$11.62
Last sale $45.00 on
PSA 8
$9.99
Last sale $25.00 on
The Spread
The PSA 9 to PSA 10 spread on Ditto #107 SWSH: Crown Zenith.
$68
Dollar gap, PSA 9 to PSA 10
6.9x
PSA 10 sells for 6.9x 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 SWSH: Crown Zenith picture: a holo with a $68 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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