Undersea Ruins #138 PSA 10

Undersea Ruins #138 PSA 10 Price

$273.80

Pop 10: 12Gem rate: 40%Premium: 43.3x rawPSA 9: $30.28
Sales-based, updated weekly

PSA 10 price history

$330.00$31.00Sep '21Jan '25Jul '26Sep '26Oct '26
Low $31.00 · High $330.00▲ 124.5% over this range

Every grade, priced

GradeMarket valuePSA population
PSA 10 (Gem Mint)$273.8012
Grade 9.5$33.00—
PSA 9 (Mint)$30.2812
Grade 8$6.884
Grade 7$6.000
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.

Good to know

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.

Undersea Ruins #138 PSA 10 Price — $273.80 (Pop 12) | CardPrice