Bidspirit auction | DC Comics Supergirl #19, #20,

DC Comics Supergirl #19, #20, #21 (1984) and The Adventures of Superman #502 (1993) - Special Anniversary Issue and Reign of the Supermen arc - DC Comics Supergirl #19, #20, #21 (1984) and The Adventures of Superman #502 (1993) - Special Anniversary Issue and Reign of the Supermen arc