Your search for "Choice Helmet - 332/SM-P" revealed the following:
Choice Helmet (Japanese) - 332/SM-P - Promo from SM-P: Sun & Moon Promos, available at 401 Games Canada. Rarity: Promo Finish: Holofoil Artist: Eske Yoshinob Card Text:The Pokémon this card is attached to takes 30 less damage from the attacks...