Voltorb from the Sv2a 151 set is a Master Ball Reverse Holo rarity card, numbered #100. As a Korean variant, it holds a unique appeal for collectors of regional cards. Currently valued at $0.00, it reflects the broader market for this set, which features popular Pokémon and various rarity levels. Collectors may find interest in its potential for future appreciation within the rapidly evolving Pokémon trading card market.