Jun 19, 2026 Ungraded $2 e b a y
Shellos 28/114 Steam Siege Pokemon TCG C NM 28/114 Jun 18, 2026 Ungraded $0 Shellos #28 Near Mint English Jun 5, 2026 Ungraded $1 e b a y
Shellos 28/114 XY-Steam Siege Regular - Pokémon Card MP 28/114 May 31, 2026 Ungraded $2 e b a y
Shellos #28/114 XY - Steam Siege Pokemon Card TCG 28/114 May 18, 2026 Ungraded $2 e b a y
Shellos 28/114 Common Steam Siege Pokemon Lightly Played 28/114 May 17, 2026 Ungraded $4 e b a y
Shellos 28/114 Common Steam Siege Pokemon Near Mint 28/114 May 3, 2026 Ungraded $1 e b a y
Pokémon TCG Shellos 28/114 XY Steam Siege Basic 70HP Common Regular 28/114 May 3, 2026 Ungraded $2 e b a y
Shellos 28/114 Common Steam Siege Pokemon Lightly Played 28/114 Apr 26, 2026 Ungraded $1 e b a y
Shellos - 28/114 Steam Siege Pokemon - NM Apr 21, 2026 Ungraded $1 e b a y
Pokemon TCG XY - Steam Siege Shellos 28/114 28/114 Apr 15, 2026 Ungraded $1 e b a y
Shellos 28/114 Common Regular Pokemon Steam Siege Mint Apr 7, 2026 Ungraded $2 e b a y
Shellos - 28/114 Steam Siege - Pokémon TCG Trading Card 28/114 Apr 4, 2026 Ungraded $1 e b a y
Shellos - Uncommon - Pokemon TCG - XY-11 Steam Siege - 28/114 28/114 Mar 30, 2026 Ungraded $2 e b a y
Pokemon TCG Shellos XY Steam Siege 28/114 Regular Common Card NM 28/114 Mar 22, 2026 Ungraded $2 e b a y
Shellos 28/114 - XY - Steam Siege Pokémon Common LP 28/114 Mar 11, 2026 Ungraded $3 e b a y
Shellos 28/114 XY - Steam Siege Pokemon TCG LP 28/114 Mar 5, 2026 Ungraded $1 e b a y
Pokemon XY Steam Siege Shellos 28/114 Jan 30, 2026 Ungraded $1 e b a y
Shellos 28/114 XY-Steam Siege Regular - Pokémon Card 28/114 Jan 15, 2026 Ungraded $1 e b a y
Shellos 28/114 Pokemon TCG: Steam Siege Lightly Played (LP) Jan 15, 2026 Ungraded $1 e b a y
Pokemon Shellos Common XY - Steam Siege 28/114 NM 28/114 Jan 12, 2026 Ungraded $2 e b a y
Shellos 28/114 - XY Steam Siege Pokemon Holo Foil Rare Nice! Jan 9, 2026 Ungraded $1 e b a y
Pokemon Card XY Steam Siege No. 28/114 Shellos English Jan 6, 2026 Ungraded $1 e b a y
Shellos 28/114 VLP - XY Steam Siege Pokemon Card $2 Combined Shipping Jan 5, 2026 Ungraded $1 e b a y
Shellos 28/114 - XY Steam Siege - Pokemon NM 28/114 Jan 4, 2026 Ungraded $2 e b a y
Shellos 28/114 XY - Steam Siege Common Normal Pokemon TCG HP 28/114 Dec 29, 2025 Ungraded $2 e b a y
Pokemon Shellos 28/114 XY - Steam Siege Non-Holo Pack Fresh - NM 28/114 Dec 27, 2025 Ungraded $2 e b a y
Pokemon XY: Steam Siege Shellos #28/114 LP Common 28/114 Dec 5, 2025 Ungraded $1 e b a y
Pokémon TCG Shellos 28/114 XY Steam Siege Regular Common Card EN-LP 2016 28/114 Sep 9, 2024 PSA 9 $13 e b a y
Shellos Non-Holo Common #28 - PSA MINT 9 - 2016 XY Steam Siege - Pokemon TCG #28 Oct 20, 2023 PSA 10 $41 e b a y
2016 POKEMON XY STEAM SIEGE #28 SHELLOS POP 1 PSA 10 
Estimated market value — upgrade to Collector to unlock
