Cloyster is card #32 of 62 in Fossil (1999), a Uncommon illustrated by Kagemaru Himeno. At about $4.12 it is the #48 most valuable card in the set. In a Fossil booster it turns up about once every 5 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

















An ungraded Cloyster from Fossil sells for about $4.12. A PSA 10 is worth more, roughly $53.56 by our estimate, and a PSA 9 around $16.48.
It is a Uncommon, and it shows up about once every 5 Fossil packs.
Kagemaru Himeno drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Fossil 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.