This is Batman 6, published by Mimosa (SA Magazine Co) +/- 1959.
It reprints the cover and the following 2 stories from DC Comics' Batman 124 (1959):
"The Mystery Seeds from Space"
"The Invisible Batman"
24 pages, full-colour, newsprint stock cover and interior pages.
These titles were printed in a smaller size (253x173mm) compared to the original DC Comics title.
The printing reproduction from the original was very good quality.
This is one of the seven first titles that Mimosa started reprinting in 1959 (Western Comics, Tales of
the Unexpected, Falling in Love, Mystery in Space, Romances, Batman and
Here is the cover of issue 6 and DC Comics' original cover:
Mimosa Detective Comics Series
Mimosa Batman Newsprint Series