Mimosa Giant Batman 12

This is Giant Batman 12, published by Mimosa (SA Magazine Co) +/- 1963-1964.
It reprints the cover and all three stories from DC Comics' Batman 144 (1961):
"The Alien Feud on Earth"
"The Man who played Batman"
"Bat-Mite meets Bat-Girl"
Also reprinted is this story from DC Comics' Batmn 108 (1957):
"The Career of Batman Jones"
Also reprinted is this story from DC Comics' Batman 113 (1957):
"Batman -- The Superman of Planet X!"
48pages,  glossy colour cover, black and white newsprint interior.

Here is the cover of issue 12 and DC Comics' original cover:

See Also:
Mimosa Comics