Mysterious Fossil
Mystery of the Fossils · #promo · Common · 1997JPN
Price history
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Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-19
Population data from PriceCharting, updated monthly.
How much is Mysterious Fossil #promo worth?
Right now (November 11, 2026) the going rate for an ungraded Mysterious Fossil #promo from Mystery of the Fossils is about $0.57.
Grading changes the math on this one: a PSA 10 is valued around $131.00, roughly 229.8x the raw price, while a PSA 9 sits near $43.53. 216 copies have been graded to date, and 42% 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 Mysterious Fossil has moved over time.
