This is Giant Woeste Weste 9, 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' Tomahawk 53 (1958):
Tomahawk: "The Four-Footed Renegade"
Also reprinted is this story from DC Comics' All-Star Western 99 (1958):
Trigger Twins: "The Double Life of Sheriff Trigger"
Also reprinted is this story from DC Comics' Frontier Fighters 6 (1956):
Buffalo Bill: "Young Bill - of the Pony Express"
48pages, glossy colour cover, black and white newsprint interior.
The Mimosa Cover image is not related to the issue's content.
Cover of Issue 9: