1747-C Sou Marque. Caen Mint. Vlack-64. Rarity-8. Fine Details--Environmental Damage (PCGS).28.9 grains. Mottled dark and lighter gray with some deep purple overtones. Softly defined and a bit granular overall, the latter explaining the PCGS qualifier. The legends are mostly legible, however, and a trace of silvering can be discerned at the central reverse. A rare issue in this series.PCGS# 915877.From the Sydney F. Martin Collection. Earlier ex Richard Margolis, June 29, 1968; our (Stacks) sale of the John J. Ford, Jr. Collection, Part XIII, January 2006, lot 185.