Issued by Gauteng Tourism Authority 12 Sep 2022
Professor Anthony Turton 28 Mar 2022
Tania Broughton 24 Jan 2022
Issued by Gauteng Tourism Authority 13 Dec 2021
Mike Muller 25 May 2021
Mike Muller 28 Oct 2019
Steve Kretzmann 28 Feb 2019
Mike Muller 5 Dec 2016