The current value of Steam Siege Booster Box (18 Boosters) is €40.00, updated February 16, 2026, based on the latest market floor tracked by RareBit.
Current value
€40.000.0%
Cardmarket9 observations
7d avg
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30d avg
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90d high
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90d low
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About this product
Steam Siege Booster Box (18 Boosters) is a sealed booster box from the Steam Siege set.
Price history
Attributes
Product typeBOOSTER BOX
SetSteam Siege
SKUsteam-siege-booster-box-18-boosters
Languages—
SourcesCARDMARKET
Min observed€2.16
Max observed€129.05
Languages observed2
Total snapshots9
Most valuable cards in Steam Siege
Cards in this set (116)
STS · #116$66.73
STS · #112$41.67
STS · #115$29.69
STS · #109$19.99
STS · #79$15.11
STS · #111$15.00
STS · #108$14.62
STS · #114$10.17
STS · #107$8.94
STS · #110$8.70
STS · #68$8.47
STS · #66$7.47
STS · #113$6.81
STS · #87$5.73
STS · #21$5.04
STS · #82$5.02
STS · #78$4.74
STS · #24$3.88
STS · #35$2.96
STS · #26$2.80
STS · #8$2.76
STS · #50$2.74
STS · #67$2.50
STS · #75$2.00
STS · #45$1.99
STS · #77$1.99
STS · #40$1.85
STS · #12$1.79
STS · #15$1.79
STS · #20$1.73
STS · #64$1.49
STS · #81$1.48
STS · #76$1.40
STS · #65$1.39
STS · #11$1.36
STS · #38$1.31
STS · #42$1.31
STS · #101$1.21
STS · #14$1.20
STS · #29$1.08
STS · #88$1.03
STS · #25$0.99
STS · #80$0.99
STS · #18$0.92
STS · #17$0.88
STS · #39$0.88
STS · #97$0.85
STS · #30$0.82
STS · #27$0.79
STS · #89$0.78
STS · #61$0.75
STS · #51$0.72
STS · #74$0.68
STS · #105$0.67
STS · #90$0.67
STS · #5$0.65
STS · #96$0.65
STS · #28$0.64
STS · #104$0.63
STS · #16$0.63
Other sealed formats of Steam Siege
Steam Siege: Volcanion Pin 3-Pack Blister—
Steam Siege Booster (5 Cards)—
Steam Siege: Shiny Mega Gardevoir Pin 3-Pack Blister—
Steam Siege Elite Trainer Box—
Steam Siege Dollar Tree Booster (3 Cards)—
Steam Siege: Lucario 1-Pack Blister—
Steam Siege: Azelf 3-Pack Blister—
Steam Siege Booster—
Steam Siege: Floette 1-Pack Blister—
Steam Siege Booster Box—
Steam Siege: Rayquaza 3-Pack Blister—
Prices updated Feb 16, 2026