South African Reserve Bank Act: Dimension, design of and compilation of 2017 Natura coin series (Gazette 40339, Notice R654)
https://www.polity.org.za/article/south-african-reserve-bank-act-dimension-design-of-and-compilation-of-2017-natura-coin-series-gazette-40339-notice-r654-2016-10-18
18th October 2016
South African Reserve Bank Act: Dimension, design of and compilation of 2017 Natura coin series (Gazette 40339, Notice R654)