Professor's Research: Professor Willow #84 PSA 10: price & population
PSA 10
$39.59
Raw
$8.39
PSA 10 pop
243
Gem rate
49.2%
A PSA 10 Professor's Research: Professor Willow #84 from Go sells for $39.59 — a 372% premium over the $8.39 raw price. PSA has graded this card 494 times; 243 came back a 10 (49.2% gem rate), and 166 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $15.99. The jump from 9 to 10 is worth $23.60 — 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.
