Base Set 2 Double Colorless Energy #124: PSA 9 vs PSA 10

Base Set 2 Double Colorless Energy #124 shows one of the widest gaps in vintage WOTC between PSA 9 and PSA 10: a $236 dollar gap, with the gem mint multiplier at 26.1x. Based on the most recent PSA 10 sale of $244.99 on Apr 12, 2026, the crack-and-resub math favors the resub: expected value is positive even at a conservative 15% upgrade probability.

PSA 10

$244.99

Last sale $244.99 on Apr 12, 2026 UTC

PSA 9

$9.38

Last sale $7.25 on May 4, 2026 UTC

PSA 8

$8.64

Last sale $8.64 on May 17, 2026 UTC

The Spread

The PSA 9 to PSA 10 spread on Double Colorless Energy #124 Base Set 2.

$236

Dollar gap, PSA 9 to PSA 10

26.1x

PSA 10 sells for 26.1x a PSA 9

Three-Outcome EV Calculator

PSA 9 acquisition cost ($)

PSA resub cost ($)

Probability of each outcome (must total 100%)

PSA 10 (upgrade) 15%

PSA 9 (regrade) 70%

PSA 8 (downgrade) 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

Math favors holding the 9

Base Set 2 #124 Double Colorless Energy released in 2000 sits in the vintage WOTC tier where gem-mint premiums above $236 are common. PSA 10 populations shrink faster than supply on cards of this era, which is why the upgrade arbitrage stays alive.

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