Pokémon · XY11
Steam Siege Booster Box
TCGplayer market price · 2026-10-11
$1177.49
lowest listing $1500.00
+0.0% 7D+0.0% 30D
Live chart, stores & fair value →Steam Siege Booster Box (XY11, Pokémon) market price is $1177.49 as of 2026-10-11. TCGDeals records this price every day and compares live store prices, eBay listings and market history — free, no login needed.
More from this set
Steam Siege Booster Pack $30.73Steam Siege Prerelease Kit $160.32XY Steam Siege Sleeved Booster Pack $35.68Steam Siege Single Pack Blister [Lucario] $63.73Steam Siege Elite Trainer Box $1800.00Prices recorded 2026-10-11 from TCGplayer market data · TCGDeals may earn a commission from affiliate links · pokemondeals.com