Holofile
Foongus 12/114 Steam Siege

STEAM SIEGE

Foongus 12/114

Foongus is card 12/114 in Steam Siege (STS), a XY set, released on August 3, 2016. It’s a Common illustrated by Yuka Morii. It comes in 2 printings: Normal and Reverse Holo. A Near Mint Normal copy has a market price of $0.47 as of October 17, 2026, up 21% over 30 days.

Market price · Near Mint · Normal

$0.47+21% in 30 days

Jul 19, 2026 · $0.43Low $0.35 · High $0.48Oct 17, 2026 · $0.47

As of October 17, 2026. Prices are estimates from third-party market data and are not offers to buy or sell. Holo10 in the Holofile app adds 6-month, 1-year and all-time charts.

Number
12/114
Rarity
Common
Pokémon
Foongus
Released
August 3, 2016

Printings and prices

Normal

Ungraded
ConditionMarket30 days
Near Mint$0.47+21%
Lightly Played$0.37−5%
Moderately Played$0.29−3%
Heavily Played$0.22+5%
Damaged$0.33+6%
Graded
GradeMarket30 days
PSA 8$25.990%
PSA 7$25.990%

Reverse Holo

Ungraded
ConditionMarket30 days
Near Mint$1.10+24%
Lightly Played$0.79+7%
Moderately Played$0.44−2%
Heavily Played$0.45−6%
Damaged$0.230%
Graded
GradeMarket30 days
PSA 9$35.000%

Market prices as of October 17, 2026: in US dollars unless marked. Prices are estimates from third-party market data and are not offers to buy or sell.