Professor's Research: Professor Willow #78 PSA 10: price & population
PSA 10
$38.67
Raw
$2.27
PSA 10 pop
163
Gem rate
38.4%
A PSA 10 Professor's Research: Professor Willow #78 from Go sells for $38.67 — a 1,604% premium over the $2.27 raw price. PSA has graded this card 424 times; 163 came back a 10 (38.4% gem rate), and 175 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $14.57. The jump from 9 to 10 is worth $24.10 — 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.
