Ounces of Gold Bullion. Robinson Deep Gold Mine (recto); The Rain Forest, Victoria Falls, Rhodesia (verso) by J Wilbur Read https://www.rawpixel.com/image/14310862/image-church-forest-goldFree Image from public domain licenseThe Reef at Johannesburg (recto); Ancient Ruins at Mptone, Rhodesia (verso) by J Wilbur Read https://www.rawpixel.com/image/14308958/image-art-public-domain-paintingFree Image from public domain licenseVictoria Falls, Rhodesia (recto); The Gorge on The Zambezi River, below Victoria Falls, as seen from the Bridge (verso) by J… https://www.rawpixel.com/image/14310861/image-art-collage-waterFree Image from public domain license