Arbok ex is card #185 of 165 in 151 (2023), a Ultra Rare illustrated by Eske Yoshinob. At about $6.77 it is the #34 most valuable card in the set. In a 151 booster it turns up about once every 192 packs. It is one of 20 Arbok cards printed so far.
2 copies have been graded by players in Holobrook's grading game. None has come back a 10 yet.
POP 1 is still open for PSA, BGS and CGC: the first player to grade this card a 10 with each company gets a one-of-a-kind POP 1 slab. See the Mint
1999Fossil
2002Expedition Base Set
2004Team Rocket Returns
2008Great Encounters
2014XY
2019Hidden Fates
2023151
2025Destined Rivals

















An ungraded Arbok ex from 151 sells for about $6.77. A PSA 10 is worth more, roughly $23.70 by our estimate, and a PSA 9 around $13.54.
It is a Ultra Rare, and it shows up about once every 192 151 packs.
Eske Yoshinob drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open 151 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.