Professor Sycamore #114 PSA 10: price & population
PSA 10
$153.13
Raw
$10.67
PSA 10 pop
347
Gem rate
34.5%
A PSA 10 Professor Sycamore #114 from Steam Siege sells for $153.13 — a 1,335% premium over the $10.67 raw price. PSA has graded this card 1,005 times; 347 came back a 10 (34.5% gem rate), and 379 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $31.00. The jump from 9 to 10 is worth $122.13 — 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.
