SLABLYTICS Track Free During Beta

Base Set 2 Seel 61/130: PSA 9 vs PSA 10

Base Set 2 Seel 61/130 shows a modest premium between PSA 9 and PSA 10: an $11 dollar gap, with the gem mint multiplier at 1.6x. Based on the last tracked PSA 10 sale of $29.73 on Mar 9, 2025, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.

Base Set 2 Seel 61/130
PSA 10
$29.73
Last sale $29.73 on
PSA 9
$18.50
Last sale $18.50 on
PSA 8
$10.94
Last sale $10.94 on

The Spread

The PSA 9 to PSA 10 spread on Seel 61/130 (Base Set 2).

$11
Dollar gap, PSA 9 to PSA 10
1.6x
PSA 10 sells for 1.6x 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 2 picture: a WOTC-era card carrying an $11 gap between PSA 9 and PSA 10, a 1.6x multiple on the PSA 9 price.

Track every grade tier. Spot every gap.

Real PSA prices across every grade tier. Free during beta.

Get Free Beta Access
Founding Member Cohort · Limited to the First 100 Members.