![Old Helix Fossil [Reverse] #154 from Pokemon Japanese Scarlet & Violet 151](https://pokeinvest-japanese-card-images.nyc3.cdn.digitaloceanspaces.com/Scarlet_Violet_151/307_Old_Helix_Fossil_Reverse_154.jpg)
Old Helix Fossil [Reverse] #154 PSA 10: price & population
PSA 10
$37.55
Raw
$1.97
PSA 10 pop
9
Gem rate
36.0%
A PSA 10 Old Helix Fossil [Reverse] #154 from Japanese Scarlet & Violet 151 sells for $37.55 — a 1,806% premium over the $1.97 raw price. PSA has graded this card 25 times; 9 came back a 10 (36.0% gem rate), and 15 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $13.62. The jump from 9 to 10 is worth $23.93 — 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.
