
Undersea Ruins #138 PSA 10 Price
$273.80
PSA 10 price history
Every grade, priced
| Grade | Market value | PSA population |
|---|---|---|
| PSA 10 (Gem Mint) | $273.80 | 12 |
| Grade 9.5 | $33.00 | — |
| PSA 9 (Mint) | $30.28 | 12 |
| Grade 8 | $6.88 | 4 |
| Grade 7 | $6.00 | 0 |
| BGS 10 | $356.00 | — |
| CGC 10 | $15.50 | — |
| Raw (ungraded) | $6.33 | — |
PSA has graded 30 copies of Undersea Ruins #138 in total — 40% 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.
Undersea Ruins PSA 10 FAQ
How much is Undersea Ruins worth in PSA 10?
Undersea Ruins #138 from Aquapolis is currently worth $273.80 in PSA 10 Gem Mint, based on graded sales data updated weekly. A raw copy trades around $6.33 — the PSA 10 carries a 43.3x premium.
How many PSA 10 copies of Undersea Ruins exist?
PSA has graded 30 copies, and 12 earned the Gem Mint 10 label — a 40% gem rate. Population grows over time as new copies are submitted.
Is Undersea Ruins 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 40%. The live grading expected value is computed on the main card page.
PSA 10 vs PSA 9 — how big is the difference for Undersea Ruins?
A PSA 10 is worth $273.80 against $30.28 for a PSA 9 — a 9.0x gap. That gap is why centering and surface checks before submitting matter more than anything else.