Rocket's Secret Experiment #promo PSA 10 Price
$156.00
PSA 10 price history
Every grade, priced
| Grade | Market value | PSA population |
|---|---|---|
| PSA 10 (Gem Mint) | $156.00 | 13 |
| Grade 9.5 | $22.00 | — |
| PSA 9 (Mint) | $20.00 | 33 |
| Grade 8 | $17.50 | 10 |
| BGS 10 | $203.00 | — |
| CGC 10 | $94.00 | — |
| Raw (ungraded) | $5.08 | — |
PSA has graded 64 copies of Rocket's Secret Experiment #promo in total — 20.3% 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.
Rocket's Secret Experiment PSA 10 FAQ
How much is Rocket's Secret Experiment worth in PSA 10?
Rocket's Secret Experiment #promo from Challenge from the Darkness (Japanese) is currently worth $156.00 in PSA 10 Gem Mint, based on graded sales data updated weekly. A raw copy trades around $5.08 — the PSA 10 carries a 30.7x premium.
How many PSA 10 copies of Rocket's Secret Experiment exist?
PSA has graded 64 copies, and 13 earned the Gem Mint 10 label — a 20.3% gem rate. Population grows over time as new copies are submitted.
Is Rocket's Secret Experiment 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 20.3%. The live grading expected value is computed on the main card page.
PSA 10 vs PSA 9 — how big is the difference for Rocket's Secret Experiment?
A PSA 10 is worth $156.00 against $20.00 for a PSA 9 — a 7.8x gap. That gap is why centering and surface checks before submitting matter more than anything else.