![Brock's Rhyhorn [1st Edition] #70 from Pokemon Gym Heroes](https://images.pokemontcg.io/gym1/70.png)
Brock's Rhyhorn [1st Edition] #70 PSA 10: price & population
PSA 10
$74.39
Raw
$2.44
PSA 10 pop
55
Gem rate
16.1%
A PSA 10 Brock's Rhyhorn [1st Edition] #70 from Gym Heroes sells for $74.39 — a 2,949% premium over the $2.44 raw price. PSA has graded this card 341 times; 55 came back a 10 (16.1% gem rate), and 167 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $20.90. The jump from 9 to 10 is worth $53.49 — 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.
