Shellder is card #129 of 165 in Expedition Base Set (2002), a Common illustrated by Sumiyoshi Kizuki. At about $29.18 it is the #128 most valuable card in the set. In an Expedition Base Set booster it turns up about once every 9 packs. It is one of 14 Shellder cards printed so far.
1999Fossil
2002Expedition Base Set
2004FireRed & LeafGreen
2007Secret Wonders
2014XY
2017Sun & Moon
2020Sword & Shield
2023151

















See the full Expedition Base Set card list
An ungraded Shellder from Expedition Base Set sells for about $29.18. A PSA 10 is worth more, roughly $379 by our estimate, and a PSA 9 around $117.
It is a Common, and it shows up about once every 9 Expedition Base Set packs.
Sumiyoshi Kizuki drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Expedition Base Set 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.