Professor's Research #147 PSA 10: price & population
PSA 10
$30.73
Raw
$0.19
PSA 10 pop
1
Gem rate
3.3%
A PSA 10 Professor's Research #147 from Brilliant Stars sells for $30.73 — a 16,074% premium over the $0.19 raw price. PSA has graded this card 30 times; 1 came back a 10 (3.3% gem rate), and 9 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $6.00. The jump from 9 to 10 is worth $24.73 — 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.
