![Slowpoke [Reverse Holo] #17 from Pokemon Japanese HeartGold Collection](https://pokeinvest-japanese-card-images.nyc3.cdn.digitaloceanspaces.com/HeartGold_Collection/017_Slowpoke_17.jpg)
Slowpoke [Reverse Holo] #17 PSA 10: price & population
PSA 10
$281.80
Raw
$30.00
PSA 10 pop
83
Gem rate
50.3%
A PSA 10 Slowpoke [Reverse Holo] #17 from Japanese HeartGold Collection sells for $281.80 — a 839% premium over the $30.00 raw price. PSA has graded this card 165 times; 83 came back a 10 (50.3% gem rate), and 63 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $81.55. The jump from 9 to 10 is worth $200.25 — 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.
