Poland 18 Groszy 1756 EC August III(1733-1763). Obverse: Large; crowned bust right. Obverse Legend: D • G • AUGVSTVS • III • REX • POLONIARUM. Reverse: Crowned; round 4-fold arms within sprigs. Reverse Legend: SAC • ROM • IMP • .... Billon. KM 148. NGC AU 58