dating: 1751 provenance: Naples, On the obverse, the busts of the king and queen facing each other. With the inscription 'CAROLUS ET AMALIA UTR SIC ET HIER REG'. Opus Gaetano De Gennaro. On the reverse, coats of arms of the two Houses surmounted by a royal crown and inscription 'FOELICITAS MILITUM ET POPULORUM. MDCCLI'. 30 g. diameter 4.1 cm.