Mystery Zone #137 PSA 10 Price
$291.20
PSA 10 price history
Every grade, priced
| Grade | Market value | PSA population |
|---|---|---|
| PSA 10 (Gem Mint) | $291.20 | 19 |
| Grade 9.5 | $23.00 | — |
| PSA 9 (Mint) | $20.50 | 30 |
| Grade 8 | $19.00 | 5 |
| BGS 10 | $379.00 | — |
| CGC 10 | $175.00 | — |
| Raw (ungraded) | $8.47 | — |
PSA has graded 56 copies of Mystery Zone #137 in total — 33.9% came back Gem Mint. Full cross-company population lives on the card page.
Thinking of grading your copy?
The math is on the card page: live grading expected value from this card's real gem rate and PSA prices, minus fees. And before you submit anything, the grading guide covers the self-checks that separate 10 candidates from expensive 9s.
Mystery Zone PSA 10 FAQ
How much is Mystery Zone worth in PSA 10?
Mystery Zone #137 from Skyridge is currently worth $291.20 in PSA 10 Gem Mint, based on graded sales data updated weekly. A raw copy trades around $8.47 — the PSA 10 carries a 34.4x premium.
How many PSA 10 copies of Mystery Zone exist?
PSA has graded 56 copies, and 19 earned the Gem Mint 10 label — a 33.9% gem rate. Population grows over time as new copies are submitted.
Is Mystery Zone worth grading?
Run the math, not the hope: grading costs roughly $20-25 per card, so a submission pays when the PSA 10 price times your realistic gem chance beats the raw price plus fees. This card gems at about 33.9%. The live grading expected value is computed on the main card page.
PSA 10 vs PSA 9 — how big is the difference for Mystery Zone?
A PSA 10 is worth $291.20 against $20.50 for a PSA 9 — a 14.2x gap. That gap is why centering and surface checks before submitting matter more than anything else.