Iron Boulder ex #429 (Mirror Holo) — Start Deck 100 Battle Collection

PriceCharting market prices as of 2026-07-06:

Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-start-deck-100-battle-collection/pokemon-japanese-start-deck-100-battle-collection-iron-boulder-ex-mirror-holo-429