1980: Precious Stones, Animals and Waterfalls set. A set of 15 stamps: five gemstones, five animals, and five waterfalls.
Gemstones Represented: Morganite, amethyst, garnet, citrine, and topaz.
Waterfalls Represented: Odzani Falls, Goba Falls, Inyangombi Falls, Bridal Veil Falls, and Victoria Falls.
1985: National Infrastructure Series of 21 stamps. Only one stamp is mineral-related (amethyst), one coal mining, one gold production, and one a stamp mill. The remainder are various industries, animals, plants and other subjects.
