Nidoking #11 PSA 10: price & population
PSA 10
$410.75
Raw
$18.20
PSA 10 pop
28
Gem rate
0.8%
A PSA 10 Nidoking #11 from Base Set 2 sells for $410.75 — a 2,157% premium over the $18.20 raw price. PSA has graded this card 3,539 times; 28 came back a 10 (0.8% gem rate), and 547 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $118.91. The jump from 9 to 10 is worth $291.84 — 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.