CONGO SILVERBACK GORILLA (2015-2023) by Scottsdale Mint Since 2015, US based bullion producer Scottsdale Mint has greatly increased its selection of low-run bullion coins, particularly those struck in silver. Nature coins have always been popular in this market - witness the Perth Mint's iconic range - and the addition of lower mintage designs has diversified the market. One of the first of this new breed was the Congo Silverback Gorilla range, which debuted as a 1oz silver coin with a 50,000 mintage, the coin had a great design, and its popularity led to it growing into [...]