Professor's Research: Professor Willow #84 PSA 10: price & population
PSA 10
$35.67
Raw
$8.95
PSA 10 pop
237
Gem rate
48.9%
A PSA 10 Professor's Research: Professor Willow #84 from Go sells for $35.67 — a 299% premium over the $8.95 raw price. PSA has graded this card 485 times; 237 came back a 10 (48.9% gem rate), and 163 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $15.99. The jump from 9 to 10 is worth $19.68 — 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.
