1759/8-A Sou Marque. Paris Mint. Vlack-43b. Rarity-6. Stop After Heron. First Semester. AU-55 (PCGS).29.3 grains. Good silvering and generally well struck, although minor softness is noted at the left obverse border and in the center of the reverse. Planchet striations on the latter side are as made and minimally distracting. Attractively toned in light golden and olive-gray.PCGS# 397986.From the Sydney F. Martin Collection. Earlier ex American Heritage Minting, December 26, 1999.