AUSTRIA. Holy Roman Empire. Maria Theresia, Empress, 1740-1780. 40 Soldi 1757 (Billon, 30 mm, 8.60 g, 12 h), Mantua (Mantova). MAR-THER-D-G-ROM-IMP-Diademed and draped bust of Maria Theresia to right, S 40 below. Rev. H:B:R:A:A.•:DUX:MAN:Crowned and nimbate double eagle with cross on its breast, 17:57 below. CNI 40/43. MIR 760/1. Extremely rare, especially in this condition. Nicely toned. In NGC encapsulation, graded AU 55. Top pop. The usual areas of weakness and a tiny scratch on the obverse, otherwise, extremely fine. This lot can be shipped to a US address.