South African Reserve Bank Act: Dimension of, design for, and compilation of 2017 sterling silver coin series (Gazette 40339, Notice R655)
https://www.polity.org.za/article/south-african-reserve-bank-act-dimension-of-design-for-and-compilation-of-2017-sterling-silver-coin-series-gazette-40339-notice-r655-2016-10-18
18th October 2016
South African Reserve Bank Act: Dimension of, design for, and compilation of 2017 sterling silver coin series (Gazette 40339, Notice R655)