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PSA 10: PriceCharting · last PSA 10 sale $311.69 on May 3, 2026 · checked Oct 25, 2026
Grade 9: No recent PSA 9 sales. PriceCharting Grade 9 guide, mixing PSA, CGC, BGS, SGC and TAG 9s.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Great Ball (Power Keepers #77) at $6.81 market price (TCGplayer market). Its Delta multiple is 45.8x.
A PSA 10 Great Ball (Power Keepers #77) is currently shown at $312. GemDelta labels this as a PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 4.44% gem rate for Great Ball (Power Keepers #77), with 2 PSA 10 copies out of 45 total PSA grades and a 45.8x Delta. That describes the grading profile; it is not financial advice.
The Reverse Holo version of Great Ball (Power Keepers #77) is shown at $6.81 market price. That value is for this stored card variant, not the base printing.
| Date | Listing | Sale |
|---|---|---|
| May 3, 2026 | Pokemon Great Ball EX Power Keepers Reverse Holo #77 PSA 10 Gem Mint | $311.69 |