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Booster Box

Steam Siege
Release Date August 3, 2016
Ungraded
€1,054
 
Grade 9
–
 
PSA 10
–
 

Booster Box price guide

Current sold value for every grade.
Ungraded€1,054

Recent sales

Individual completed sales, newest first (Ungraded).
16 Oct 2026Pokemon XY: Steam Siege Booster Box - Factory SealedeBay€1,068
1 Oct 2026Pokemon XY: Steam Siege Booster Box - Factory SealedeBay€987.67
1 Oct 2026Pokemon XY: Steam Siege Booster Box - Factory Sealed - Small Dent And TeareBay€1,023
1 Oct 2026Pokemon TCG XY Steam Siege Booster Box SEALEDeBay€1,090
27 Sept 2026Pokemon XY STEAM SIEGE Booster Box *Factory Sealed* NEWeBay€1,112
26 Sept 2026Pokemon XY: Steam Siege Booster Box - Factory SealedeBay€920.93
13 Sept 2026Pokemon TCG: XY - Steam Siege Booster Box - Factory Sealed 2016 EnglisheBay€1,157
27 Aug 2026Pokemon TCG XY Steam Siege Booster Box SEALED WITH ACRYLICeBay€1,062
27 Aug 2026Pokemon XY Steam Siege Booster Box 🔥HOT🔥 GREAT CONDITIONeBay€913.82
20 Aug 2026Pokémon Steam Siege Sealed Booster Box (The Pokémon Company, #2016)....HeritageAuctions€1,223
18 Aug 20262016 Pokemon TCG XY Steam Siege Booster Box FACTORY SEALEDeBay€1,490
16 Aug 2026Steam Siege Booster Box XY Pokemon 2016 English Original Packaging SealedeBay€1,596
12 Aug 2026Pokemon TCG: XY - Steam Siege Booster Box - Factory Sealed 2016 EnglisheBay€889.79
12 Aug 2026Pokemon TCG: XY - Steam Siege Booster Box - Factory Sealed 2016 English **Mint**eBay€1,134
1 Aug 20262016 Pokemon XY Steam Siege Booster Box English Factory Sealed with Acrylic CaseeBay€1,179
31 Jul 2026Pokemon TCG: XY - Steam Siege Booster Box - Factory Sealed 2016 EnglisheBay€894.24
28 Jul 2026Pokemon TCG XY Steam Siege Booster Box SEALED WITH ACRYLIC CASEeBay€1,078
22 Jul 2026Pokémon TCG Steam Siege Sealed Booster Box English 2016eBay€1,068
17 Jul 2026Pokemon TCG: XY - Steam Siege Booster Box - Factory Sealed 2016 EnglisheBay€968.98
12 Jul 2026Sealed XY Steam Siege Pokémon Booster Box with AcryliceBay€956.53
6 Jul 2026Pokemon - XY "Steam Siege" Sealed Booster BoxeBay€1,157
4 Jul 2026Pokemon XY Steam Siege Booster Box - BRAND NEW - SEALED - SAME DAY SHIPPINGeBay€934.28
2 Jul 2026Pokemon TCG XY Steam Siege Booster Box SEALED ENGLISHeBay€1,307
28 Jun 2026Sealed XY Steam Siege Pokémon Booster Box with AcryliceBay€976.10
22 Jun 2026Pokemon TCG - XY Steam Siege Booster Box Sealed (see Pics For Condition)eBay€998.28

How much is Booster Box (Steam Siege) worth?

Right now an ungraded copy of Booster Box from Steam Siege sells for about €1,054. These values are based on 25 recent completed sales, the latest on 16 Oct 2026. Prices are converted from US dollars to euros and updated every few hours.

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Steelix EX #108

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Ungraded€14.69PSA 10€716.35

M Steelix EX #68

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Ungraded€7.52PSA 10€156.74

Volcanion EX #107

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Magearna EX #110

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