![Omanyte [Series III] #138 from Pokemon Japanese Vending](https://storage.googleapis.com/images.pricecharting.com/8a1abc180cc96a7b3500c699349e54c29ef1fc5530432fa1eab259658bf51d48/1600.jpg)
Omanyte [Series III] #138 PSA 10: price & population
PSA 10
$474.69
Raw
$36.24
PSA 10 pop
90
Gem rate
28.0%
A PSA 10 Omanyte [Series III] #138 from Japanese Vending sells for $474.69 — a 1,210% premium over the $36.24 raw price. PSA has graded this card 321 times; 90 came back a 10 (28.0% gem rate), and 174 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $115.63. The jump from 9 to 10 is worth $359.06 — that spread, times your real odds of the 10, is what decides whether grading pays.
The September 2026 Grade Report ranks the 30 most profitable cards to grade right now, by expected profit after every fee. Same math as this page, run across the whole market. $29, one time, instant.
See the top 30 →Prices from real completed sales, updated daily. Population data from PSA's public population report.
