The 1991 Impel Mega-Metal 150 card set features iconic musicians such as Iron Maiden, Judas Priest, and Dio, making it a must-have for any collector of non-sport trading cards. Manufactured by Impel in 1991, this set showcases these legendary artists in a base set format, with each card crafted from metal material. The Mega-Metal franchise adds an extra layer of excitement to this trading card set, making it a prized possession for fans of classic rock and heavy metal music.