Mimosa Mystery in Space 4

This is Mystery in Space 4, published by Mimosa (SA Magazine Co) +/- 1960.
It reprints the cover and the following 2 stories from DC Comics' Mystery in Space 49 (1958):
"The Sky-High Man!"
"The 24,000 Hour Day!"
24 pages, full-colour, newsprint stock cover and interior pages.

Here is the cover of issue 4 (notice the faint letters 49 still present on the cover next to "No. 4") and DC Comics' original cover:

Subscription ad and Petrinovic ad for Tantalus decimalisation converter game (decimalisation to Rand took place in February 1961):

 Back cover house ad for the seven titles produced in this series:

See Also:
Mimosa Comics
Mimosa Mystery in Space Series