Koga's Ekans [1st Edition] #77

Gym Challenge

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Koga's Ekans [1st Edition] #77 PSA 10: price & population

PSA 10

$128.19

Raw

$3.31

PSA 10 pop

141

Gem rate

33.1%

A PSA 10 Koga's Ekans [1st Edition] #77 from Gym Challenge sells for $128.19 — a 3,773% premium over the $3.31 raw price. PSA has graded this card 426 times; 141 came back a 10 (33.1% gem rate), and 223 a PSA 9.

The 9-to-10 spread

PSA 9 sells for $30.17. The jump from 9 to 10 is worth $98.02 — that spread, times your real odds of the 10, is what decides whether grading pays.

Run this card's full grading math →

Prices from real completed sales, updated daily. Population data from PSA's public population report.