Koga's Ekans #77 PSA 10: price & population
PSA 10
$44.00
Raw
$1.55
PSA 10 pop
19
Gem rate
29.7%
A PSA 10 Koga's Ekans #77 from Gym Challenge sells for $44.00 — a 2,739% premium over the $1.55 raw price. PSA has graded this card 64 times; 19 came back a 10 (29.7% gem rate), and 27 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $21.20. The jump from 9 to 10 is worth $22.80 — that spread, times your real odds of the 10, is what decides whether grading pays.
Prices from real completed sales, updated daily. Population data from PSA's public population report.
