Foongus
Steam Siege · #12/114 · Common · 2016
Printings & 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 2026-08-02
Reverse HolofoilPopulation data from PriceCharting, updated monthly.
Abilities
Attacks
“It lures Pokémon with its pattern that looks just like a Poké Ball then releases poison spores.”
How much is Foongus #12/114 worth?
Right now (August 16, 2026) the going rate for an ungraded Foongus #12/114 from Steam Siege is about $0.44. Across the 2 printings we track, copies run anywhere from $0.10 to $20.00 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $38.75, roughly 88.1x the raw price, while a PSA 9 sits near $19.69. 7 copies have been graded to date, and 14% of them came back a 10 — worth knowing before you pay grading fees.
These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.
