Tentacool
Mystery of the Fossils · #promo · Common · 1997JPN
All 35 Tentacool cards ranked by value →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.
More Tentacool cards all 35 ranked by value →
TentacoolLegendary Collection · 2002
TentacoolAquapolis · 2003
TentacoolLegend Maker · 2006
Misty's TentacoolCoroCoro Promotional Cards · 2026
TentacoolHidden Legends · 2004
TentacoolClash at the Summit · 2010How much is Tentacool #promo worth?
A raw copy of Tentacool #promo (Mystery of the Fossils, 1997) is worth about $0.56 right now, based on the latest market data from October 1, 2026.
Grading changes the math on this one: a PSA 10 is valued around $183.06, roughly 326.9x the raw price, while a PSA 9 sits near $32.21. 313 copies have been graded to date, and 34% 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 Tentacool has moved over time.
