Cloyster is card #20 of 112 in FireRed & LeafGreen (2004), a Rare illustrated by Aya Kusube. At about $37.48 it is the #62 most valuable card in the set. In a FireRed & LeafGreen booster it turns up about once every 22 packs. It is one of 14 Cloyster cards printed so far.
1999Fossil
2002Expedition Base Set
2004FireRed & LeafGreen
2007Secret Wonders
2014XY
2017Sun & Moon
2020Sword & Shield
2023151

















See the full FireRed & LeafGreen card list
An ungraded Cloyster from FireRed & LeafGreen sells for about $37.48. A PSA 10 is worth more, roughly $487 by our estimate, and a PSA 9 around $150.
It is a Rare, and it shows up about once every 22 FireRed & LeafGreen packs.
Aya Kusube drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open FireRed & LeafGreen booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.