dating: 1816 provenance: Duchy of Parma, Made of gold. On the obverse, a diademed bust (left), on the border 'M. LVDOV . ARCH. AVSTR. D. G. PARM. PLAC. ET VAST. DVX'. On the reverse, among laurel and oak branches, the inscription 'ADVENT. PRINCIPIS. SVAE. PARMA. VOTI. COMPOS. A. MDCCCXVI.'. 9 g. diameter 2.3 cm.