Professor Birch #89 PSA 10: price & population
PSA 10
$34.76
Raw
$1.38
PSA 10 pop
5
Gem rate
35.7%
A PSA 10 Professor Birch #89 from Ruby & Sapphire sells for $34.76 — a 2,419% premium over the $1.38 raw price. PSA has graded this card 14 times; 5 came back a 10 (35.7% 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 $26.11 — 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.
