Ragusa - Libertina (2 Ducati) 1791 GA-GA (KM20, Mandic20.1, Barac329-I/R5, Dav.1640) - Obv: Crowned and draped bust Maria Theresa right, legend with RHACVS / Rev: Crowned oval shield within ornate frame - 28.03 g. - NGC AU Details scratches (5790719-001), very rare coin, especially in this quality, graded finest at NGC and PCGS