Color credits provided by Anthony Tollin. Cover is an homage to the cover of Superman (DC, 1939 series) #233.
from Superman (DC, 1939 series) #233 (January 1971) [with new framing pages]
in Supermann (Semic, 1977 series) #4/1979 (uke 16 1979)
in Serie-pocket (Semic, 1977 series) #112 - Supermann (1985) [2. translation]