Professor's Research #SWSH152 PSA 10: price & population
PSA 10
$66.09
Raw
$2.99
PSA 10 pop
306
Gem rate
34.3%
A PSA 10 Professor's Research #SWSH152 from Promo sells for $66.09 — a 2,110% premium over the $2.99 raw price. PSA has graded this card 893 times; 306 came back a 10 (34.3% gem rate), and 469 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $14.00. The jump from 9 to 10 is worth $52.09 — 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.
