By Joshua McMorrow-Hernandez for CoinWeek.com ….. 1968-2018 Proof coinage has been a fixture in American numismatics since the 19th century and a regular hobby staple since 1936, when the United States Mint offered the first modern proof sets after a two-decade hiatus. There was also a three-year intermission between 1965 and 1967, when a […]
The post US Coins: 50 Years of Modern Proof Sets appeared first on CoinWeek.