Sabrina's Psyduck [1st Edition] #99 PSA 10: price & population
PSA 10
$611.55
Raw
$25.00
PSA 10 pop
238
Gem rate
29.6%
A PSA 10 Sabrina's Psyduck [1st Edition] #99 from Gym Challenge sells for $611.55 — a 2,346% premium over the $25.00 raw price. PSA has graded this card 805 times; 238 came back a 10 (29.6% gem rate), and 348 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $68.00. The jump from 9 to 10 is worth $543.55 — 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.