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PSA 10: PriceCharting; last PSA 10 sale May 3, 2026
GemDelta shows Great Ball (Power Keepers #77) at $6.25 market price (TCGplayer market). Its Delta multiple is 66.2x.
A PSA 10 Great Ball (Power Keepers #77) is currently shown at $312. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 4.88% gem rate for Great Ball (Power Keepers #77), with 2 PSA 10 copies out of 41 total PSA grades and a 66.2x Delta. That describes the grading profile; it is not financial advice.
The Reverse Holo version of Great Ball (Power Keepers #77) is shown at $6.25 market price. That value is for this stored card variant, not the base printing.
| Date | Sale |
|---|---|
| May 3, 2026 | $311.69 |