It was the successor of SPC/Super 6 after the return of South Africa to international competitions with the end of apartheid.
It was played by 2 australian unions (New South Wales and Queensland), the best 4 teams from previous season NPC, the best 3 teams from previous season Currie Cup and the winner of previous season in Pacific Tri Nations.
With the advent of professionalism it was substituted by Super 12 (then Super 14 and Super Rugby).
news.google.com - Digitalized issues from Sydney Morning Herald.
Die Burger - Digitalized issues from Die Burger.
Beeld - Digitalized issues from Beeld.
en.wikipedia.org/wiki/Super_10_(Southern_Hemisphere_competition) - Wikipedia pages about Super 10.