Nidoking is card #H18 of 147 in Aquapolis (2003), a Rare Holo illustrated by Naoyo Kimura. At about $231 it is the #17 most valuable card in the set. In an Aquapolis booster it turns up about once every 84 packs. It is one of 22 Nidoking cards printed so far.
1999Base Set
2002Legendary Collection
2003Aquapolis
2004FireRed & LeafGreen
2007Secret Wonders
2009Rising Rivals
2013Plasma Freeze
2019Team Up

















See the full Aquapolis card list
An ungraded Nidoking from Aquapolis sells for about $231. A PSA 10 is worth more, roughly $3,003 by our estimate, and a PSA 9 around $924.
It is a Rare Holo, and it shows up about once every 84 Aquapolis packs.
Naoyo Kimura drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Aquapolis 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.