Rock Guard #108 PSA 10: price & population
PSA 10
$49.90
Raw
$2.83
PSA 10 pop
2
Gem rate
6.7%
A PSA 10 Rock Guard #108 from Plasma Freeze sells for $49.90 — a 1,663% premium over the $2.83 raw price. PSA has graded this card 30 times; 2 came back a 10 (6.7% gem rate), and 10 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $44.99. The jump from 9 to 10 is worth $4.91 — 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.
