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PSA 10: PriceCharting; last PSA 10 sale Jun 29, 2026
GemDelta shows Mr. Stone's Project (Holon Phantoms #88) at $19.10 market price (TCGplayer market). Its Delta multiple is 25.0x.
A PSA 10 Mr. Stone's Project (Holon Phantoms #88) is currently shown at $375. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 13.2% gem rate for Mr. Stone's Project (Holon Phantoms #88), with 5 PSA 10 copies out of 38 total PSA grades and a 25.0x Delta. That describes the grading profile; it is not financial advice.
The Reverse Holo version of Mr. Stone's Project (Holon Phantoms #88) is shown at $19.10 market price. That value is for this stored card variant, not the base printing.
| Date | Sale |
|---|---|
| Jun 29, 2026 | $374.99 |
| Mar 13, 2026 | $375.00 |