Best Horsea Cards to Grade
The Horsea cards where grading pays off most — ranked by net profit from raw to PSA 10 after real grading costs, with each card's estimated gem rate and risk-adjusted return. Top pick: Horsea (Aquapolis) at +$415 best-case net.
| # | Card | Raw | PSA 10 | Cost | Net (best) | Risk-adj. |
|---|---|---|---|---|---|---|
| 1 | $28 | $528 | $85 | +$415 | −$21 | |
| 2 | $34 | $468 | $75 | +$360 | +$26 | |
| 3 | $34 | $425 | $74 | +$317 | −$41 | |
| 4 | $20 | $325 | $73 | +$231 | −$49 | |
| 5 | $51 | $283 | $73 | +$159 | −$5 | |
| 6 | $11 | $180 | $72 | +$97 | −$53 | |
| 7 | $38 | $200 | $72 | +$90 | −$57 | |
| 8 | $24 | $131 | $71 | +$36 | −$37 |
Net (best) = PSA 10 value − raw value − grading cost (PSA fees as of 2026-06-28). Risk-adjusted weights every grade by its estimated likelihood from PSA population (cumulative and biased toward nicer copies — a guide, not a guarantee).