1774 Machins Mills Halfpenny. Vlack 7-74A, W-7770. Rarity-6-. GEORGIUS III, Group I. Fine Details--Environmental Damage (PCGS). 103.4 grains. Granular light olive-brown and steel with brick-red color on the reverse. A bit fuzzy from the roughness but all of the major detail is clear. PCGS# 826949. <strong>To view supplemental information and all items from the Sydney F. Martin Collection, click<a href="https://stacksbowers.com/sydney-f-martin-collection/"target=’_blank’> here.</a></strong> From the Sydney F. Martin Collection. Purchased April 1993.