clipper, n.⁴ — Green’s Dictionary of Slang

clipper n.⁴

[? Afk. klippe, diamonds or the need for a paper-clip to keep 100 rands’ worth of ten-rand notes together]

(S.Afr.) a 100-rand note.

1991		C. Van Uimenstein in Weekend Argus 12 Jan. (Supplement) 5: As South Africa moves towards a ‘new’ South Africa, so too its language is evolving ... Denominations of money also have their own names: R100 is known as a clipper [DSAE].
1994		Sun. Times (Johannesburg) 1 May 15: A clipper is R100 of R10 notes because you needed a paper clip to keep it together [DSAE].