This is Batman 13, published by Mimosa (SA Magazine Co) +/- 1960.
It reprints the cover and the following 2 stories from DC Comics' Batman 131 (1960):
"The Case of the Deadly Gems"
"The Second Batman and Robin Team"
24 pages, full-colour, newsprint stock cover and interior pages.
These titles were printed in a smaller size (243x165mm) compared to the original DC Comics title.
The printing reproduction from the original was very good quality.
Here is the cover of issue 13 and DC Comics' original cover:
Mimosa Detective Comics Series
Mimosa Batman Newsprint Series