SAXONY: Friedrich August I, 1694-1733, AR groschen, ND (1708-9), KM-759, G-2125 (Poland), Kop-238, "butterfly" groschen, Apollo butterfly (Parnassius Apollo) with outstretched wings on obverse, obverse field flan flaw, About EF, RRR.
Estimate: 3400-3600 USD