Koga's Koffing [1st Edition] #79

Gym Challenge

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Koga's Koffing [1st Edition] #79 PSA 10: price & population

PSA 10

$152.50

Raw

$3.00

PSA 10 pop

214

Gem rate

41.4%

A PSA 10 Koga's Koffing [1st Edition] #79 from Gym Challenge sells for $152.50 — a 4,983% premium over the $3.00 raw price. PSA has graded this card 517 times; 214 came back a 10 (41.4% gem rate), and 224 a PSA 9.

The 9-to-10 spread

PSA 9 sells for $30.00. The jump from 9 to 10 is worth $122.50 — that spread, times your real odds of the 10, is what decides whether grading pays.

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