Try Kaplan Book/ catalog of South African coins, There are also a number of medalls/ medalions issued by SA Mint. And if this medal is ipmportant, it might be listed there
"Alex kaplan`s catalog of South African coins" or something slose in title... Try to find as early edition as you can, - 1962 -1970 years
Hi
This medal is important. It was made to commemorate the Independence from Britain. Interesting to note that it still bares the Union sterling mark of a lions head in a U...after this year the sterling mark turned into the Republic mark of a head of a springbok (see photo).
Jannie