Professor's Research: Professor Sada #99 PSA 10: price & population
PSA 10
$31.35
Raw
$5.84
PSA 10 pop
934
Gem rate
63.2%
A PSA 10 Professor's Research: Professor Sada #99 from Japanese Scarlet Ex sells for $31.35 — a 437% premium over the $5.84 raw price. PSA has graded this card 1,478 times; 934 came back a 10 (63.2% gem rate), and 518 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $8.00. The jump from 9 to 10 is worth $23.35 — 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.
