PARIS 1744 - 1750 13.26 Kt gold "cabriolet" spare-blade knife with removable blade. The mother-of-pearl handle with gold cage is inlaid on both sides with falling leaves and rosette flowers, the flowers made of small colored stones and the leaves of green-colored mother-of-pearl alternated with gold stars. Gross weight: 43 g - length: 21.7 cm Condition: a tiny crack to the mother-of-pearl around the push-button that allows the blade to be pulled out, missing a stone on a flower. Spectrometer: Au: 55.7 , Cu: 36.6, Ag: 7.7 (i.e. 13.36 Kt)