Rare copy of 1st Superman comic book fetches $3.2 million - The Economic Times
Superman #1 comic book commands $358,500 to lead historic sale - Antique Trader
DC Comics; Superman #1 – Gold & Silver Pawn Shop
Comic Apocalipsis - SUPERMAN #1 (2016, 4th Series). DC Comics, original USA, completamente nuevo. Cotización actual en tiendas especializadas norteamericanas entre $15 y $21 dólares (ver detalle en comentarios). Precio: S./20 soles.