Cases of COVID at mail sorting hubs make the SA Post Office service unreliable so to avoid frustration, please use PostNet, PAXI or your own courier.
International deliveries will depend on mail flow agreements, which change constantly, so please ask
Railway Dining Cars in South Africa: History and Development by H. L. Pivnic describes the development of catering vehicles on the pre-Union and South African Railways. The inherent nature of rail travel in South Africa - long distances covered at relatively slow speeds - resulted in catering services becoming more of a necessity rather than a luxury.
Focus on South African Steam by Roger Siviter describes and illustrates SAR steam classes and provides a travel guide and travel tip for those who wish to see steam trains in action. At the time (1981), South Africa was one of 4 countries that still had over 1000 steam locomotives in regular working.