Aquapolis is the second main expansion in the e-Card Series which was released in January 2003. This set introduced Crystal Pokemon, this meant Pokemon have a Crystal Type Poke-Body which changes the Pokemon’s Type to the type of energy that was attached. The set featured 147 cards, 3 secret cards, 4 ‘b’ variation cards and 32 holo cards. Holo cards had their own numbering system for this set with H## and b-variation cards are numbered with ##b.
While these rare types of cards exist, the secret cards are still the ones to watch with the top card for the set being Lugia Holo #149, other cards to look for include Tyranitar Holo #H28 and Nidoking Holo #150.
Pokedex
PLUS
Expedition Base Set
Skyridge 
