Horsea

Mystery of the Fossils · #promo · Common · 1997JPN

$0.81

Market price ▼ 8.0% (30d)

Prices as of Aug 14, 2026

555graded pop

35%gem rate

176.2×PSA 10 vs raw

0%off ATH $2.80 · Aug 2026

+$38.14EV to grade — worth it

Market data

Price history

Normal▲ 0.0% 7d

Low $0.25Mid $0.88

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Live listings

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Graded market

Graded values

PSA 10 report →updated 2026-08-13

Grade 6 est.$2.66

Grade 5 est.$2.24

Grade 4 est.$1.85

Grade 3 est.$1.54

Grade 2 est.$1.26

Grade 1 est.$1.06

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$142.75

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-08-02

CGC312 graded · 113 gem 10

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PSA243 graded · 79 gem 10

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Population data from PriceCharting, updated monthly.

How much is Horsea #promo worth?

Right now (August 14, 2026) the going rate for an ungraded Horsea #promo from Mystery of the Fossils is about $0.81.

Grading changes the math on this one: a PSA 10 is valued around $142.75, roughly 176.2x the raw price, while a PSA 9 sits near $22.27. 312 copies have been graded to date, and 36% of them came back a 10 — worth knowing before you pay grading fees.

We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Horsea has moved over time.

Collecting Mystery of the Fossils?Full master set guide — every card, chase list, and completion cost→