Professor's Research: Professor Sada #99 PSA 10: price & population
PSA 10
$26.00
Raw
$5.89
PSA 10 pop
936
Gem rate
63.1%
A PSA 10 Professor's Research: Professor Sada #99 from Japanese Scarlet Ex sells for $26.00 — a 341% premium over the $5.89 raw price. PSA has graded this card 1,484 times; 936 came back a 10 (63.1% gem rate), and 521 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $8.00. The jump from 9 to 10 is worth $18.00 — 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.
