Question 1

What is the current market value of Shellos #28?

Accepted Answer

Shellos (Steam Siege) is presently valued at about $0.17 in raw condition. Its 7-day trend is negative at 7.0%. Current value trails the 30-day mean ($0.17) by 2.9%. Its 90-day trading band runs between $0.16 and $0.20, producing a 24% range and moderate-volatility behavior. This version is categorized as Common.

Question 2

Is Shellos #28 a good investment or collectible?

Accepted Answer

Pricing context for collectors: The market retraced 7.0% this week, and current pricing sits 15% below its recent high watermark. With a 24% 90-day spread ($0.16-$0.20), this card currently tracks as moderate-volatility. Relative to the 30-day baseline ($0.17), pricing is near equilibrium. Condition sensitivity is substantial: PSA 10 carries a +14624% premium over raw value. PSA 9 is currently around $20.00, while PSA 10 is $25.03.

Question 3

What is Shellos #28 and what makes it special?

Accepted Answer

Shellos appears in Steam Siege, released in 2016. Card flavor text reads: "Its shape and coloration vary, depending on its habitat." Core profile: Its card type is Pokémon. The rarity label is Common. Printed HP is 70. Energy typing is Water. Card subtype classification is Basic. The printed attacks highlight "Rain Splash". The card has a weakness to Grass. Retreat cost is 2 energy. Common-tier prints are typically the most accessible entries for set completion.

Question 4

What are the alternative Shellos cards available?

Accepted Answer

Collectors tracking Shellos often benchmark it against other Shellos cards. Comparable entries in this snapshot: 3 cards, 3 distinct sets. Observed alternatives run from $0.11 to $0.21 (91% spread). The current card sits +11% versus the sampled alternative average of $0.15. Notable alternatives include Shellos #46 (Surging Sparks) at $0.11, Shellos #39 (Lost Origin) at $0.14, and Shellos #29 (Crimson Invasion) at $0.21.

Question 5

What set is Shellos #28 from, and when was it released?

Accepted Answer

Steam Siege entered circulation in 2016. It belongs to the XY series. The checklist contains 116 cards, placing it in a mid-size expansion range. As of 2026, the set is 10 years old and now falls into an established back-catalog period. In the Steam Siege checklist, Shellos occupies position #28 as a Common card.

Shellos #28

Price history

All Shellos cards

Card details

Attacks