Professor's Research #201 PSA 10: price & population
PSA 10
$25.00
Raw
$4.23
PSA 10 pop
380
Gem rate
71.6%
A PSA 10 Professor's Research #201 from Sword & Shield sells for $25.00 — a 491% premium over the $4.23 raw price. PSA has graded this card 531 times; 380 came back a 10 (71.6% gem rate), and 111 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $10.15. The jump from 9 to 10 is worth $14.85 — 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.