Pokémon · XY11
Steam Siege Booster Box
TCGplayer market price · 2026-07-12
$1169.99
lowest listing $1199.99
+0.0% 7D+0.0% 30D
Live chart, stores & fair value →Steam Siege Booster Box (XY11, Pokémon) market price is $1169.99 as of 2026-07-12. 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 $28.27Steam Siege Prerelease Kit $166.50XY Steam Siege Sleeved Booster Pack $33.82Steam Siege Single Pack Blister [Lucario] $58.20Steam Siege Elite Trainer Box $1800.00Prices recorded 2026-07-12 from TCGplayer market data · TCGDeals may earn a commission from affiliate links · pokemondeals.com