1742-C Sou Marque. Caen Mint. Vlack-59. Rarity-8. MS-61 (PCGS).27.4 grains. A lovely example of this extremely rare issue, essentially noncollectable as a perfect date. Both sides are pale golden-gray in color with satiny mint luster remaining. Centers a little soft and rough, as made, with the upper right obverse and lower right reverse obscured for the same reason. Full silvering.PCGS# 915876.From the Sydney F. Martin Collection. Earlier from our (Stacks) sale of the Robert A. Vlack Collection, January 2008 Americana Sale, lot 5241.