This is Giant Superman 16, published by Mimosa (SA Magazine Co) +/- 1963-1964.
It reprints the cover and stories from DC Comics' Action Comics 281 (1961):
"The Man who saved Kal-El's life!"
"The secret of the Time-Barrier!"
Also reprinted are these stories from DC Comics' Adventure Comics 236 (1957):
Aquaman: "The Iceberg of Doom"
"Clark Kent's Super-Dad"
Also reprinted is this story from DC Comics' Adventure Comics 235 (1957):
Green Arrow: "The Doom of the Giant Arrows"
48pages, glossy colour cover, black and white newsprint interior.
Here is the cover of issue 16 and DC Comics' original cover: