Imagen de archivo de Superman #50 en estado bastante bueno - 7,5 1990
1st printing. Krisis of the Krimson Kryptonite. Part 4 of 4. Special Extra-Sized issue. "The Human Factor!". Story by Jerry Ordway. Art by Dan Jurgens, Brett Breeding, Kerry Gammill, Curt Swan, John Byrne, Jerry Ordway and Dennis Janke.