![Great Ball [Reverse Holo] #77 from Pokemon Power Keepers](https://images.pokemontcg.io/ex16/77.png)
Great Ball [Reverse Holo] #77 PSA 10: price & population
PSA 10
$311.69
Raw
$5.00
PSA 10 pop
2
Gem rate
4.4%
A PSA 10 Great Ball [Reverse Holo] #77 from Power Keepers sells for $311.69 — a 6,134% premium over the $5.00 raw price. PSA has graded this card 45 times; 2 came back a 10 (4.4% gem rate), and 17 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $34.05. The jump from 9 to 10 is worth $277.64 — 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.
