This is Giant Woeste Weste 7, published by Mimosa (SA Magazine Co) in 1963. Mimosa produced reprints in English, and some Afrikaans language translations.
It reprints this story from DC Comics' Hopalong Cassidy 120 (1956):
Hopalong Cassidy: "The Case of the Twenty Suspects"
Also reprinted is this story from DC Comics' Hopalong Cassidy 101 (1955):
Hopalong Cassidy: "The Amazing Inventions of Tumbleweed Tinker"
Also reprinted is this story from Dc Comics' Tomahawk 30 (1955):
Tomahawk: "The Midnight Ride of Tomahawk"
48pages, glossy colour cover, black and white newsprint interior.
The Mimosa Cover image is not related to the issue's content.
Cover of Issue7: