Professor Birch #89 PSA 10: price & population
PSA 10
$40.83
Raw
$1.42
PSA 10 pop
5
Gem rate
33.3%
A PSA 10 Professor Birch #89 from Ruby & Sapphire sells for $40.83 — a 2,775% premium over the $1.42 raw price. PSA has graded this card 15 times; 5 came back a 10 (33.3% gem rate), and 3 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $8.65. The jump from 9 to 10 is worth $32.18 — 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.
