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The vendor's catalog photograph of Steam Siege Sleeved Booster Case. It identifies the product; it is not evidence of condition, of what is inside, or of any price on this page.Steam Siege Sleeved Booster Case
Steam Siege Sleeved Booster CaseEvery price, print and shelf reading on this page belongs to this one sealed product.Booster caseSteam Siege
Mkt Price
Mkt Price$24,999.00The cheapest copy actually listed for sale, delivered — item plus required shipping. An offer, not a price anybody has paid. No sale or guide price is on file for this product, so this is the only price shown; it is not charted.$24,999.00—
delivered ask
Steam Siege Sleeved Booster Case guide
Product type, set and release date, contents, chase cards and how it compares with the XY era.
At a glance
- Product type
- Booster case
- Set
- Steam Siege
- Era
- XY
- Release date
- August 3, 2016
- Edition
- English
- Price now
- $24,999.00
- cheapest delivered ask, an asking price and not a sale, as of Nov 5, 2026
The Steam Siege Sleeved Booster Case is a sealed booster case from the English-language Pokémon TCG set Steam Siege, an expansion from the XY era released on August 3, 2016. A case like this is built for opening packs in bulk, the way retailers and large-scale openers buy product. Steam Siege has 25 sealed products in total, and this case is one of them, sitting alongside boxes, tins, decks and other packaging formats built around the same expansion.
What's inside Steam Siege Sleeved Booster Case
The Steam Siege Sleeved Booster Case holds 144 booster packs of the set, sealed together in a single case. That count is the only item inside, so there are no extra accessories, promo cards or other components alongside the packs.
Steam Siege chase cards
Steam Siege is opened for its Gardevoir and Volcanion cards. The Secret Rare Gardevoir EX leads the set by value, followed by the Ultra Rare M Gardevoir EX, the Secret Rare Volcanion EX, the Ultra Rare M Steelix EX and a second, Ultra Rare Gardevoir EX in fifth. The set carries 23 chase-tier cards, and its 114 official cards are joined by 2 secrets numbered beyond that count. Value is concentrated at the top, with those five cards making up 60 percent of the set's total card value. The packs in this case can yield all of them.
Most valuable cards in Steam Siege
- 1Gardevoir EX · Secret Rare$110.87
- 2M Gardevoir EX · Ultra Rare$57.28
- 3Volcanion EX · Secret Rare$35.95
- 4Gardevoir EX · Ultra Rare$28.19
- 5M Steelix EX · Ultra Rare$28.02
How Steam Siege Sleeved Booster Case compares
Written from market data as of October 24, 2026; the tables update live.
| Measure | This productSteam Siege Sleeved Booster Case | Next setXY Evolutions Booster Box Case |
|---|---|---|
| Set | Steam Siege | Evolutions |
| Release date | Aug 3, 2016 | Nov 2, 2016 |
| Price | — | $15,444.44 |
Steam Siege Sleeved Booster Case: common questions
How much is Steam Siege Sleeved Booster Case worth?
$24,999.00, the cheapest delivered ask, an asking price and not a sale, as of November 5, 2026.
What set is Steam Siege Sleeved Booster Case from?
Steam Siege Sleeved Booster Case is from Steam Siege.
Where can I buy Steam Siege Sleeved Booster Case?
We don't currently track retail stock for Steam Siege Sleeved Booster Case, which is not the same as it being sold out.