Aggron-Holo from the Expansion Pack set is a 1st Edition Japanese variant card, numbered #051. As a holo rare, it holds a significant place in the Pokémon trading card market, currently valued at $120.00. Its appeal lies not only in its rarity but also in its visual design, making it a sought-after item for collectors looking to complete their sets or invest in notable cards from the early Pokémon era.