15th/16th Century Dagger

VERY RARE DAGGER CALLED "CINQUEDEA" Italy late 15th early 16th century. Triangular blade, double-edged, iron blade, ridged in the middle, the central part double-fulled, an oval hallmark on a gilded background at the base. Finely chiseled bronze hilt with remains of original gilding, guard with arms curved towards the blade, ribbed and with small acorn-shaped ends, the center of the crossbar is engraved with a stylized bird (?). Animal pommel with two heads with open jaws, iron knob in the center. The hilt with triangular scales in dark horn. The sides are in chiseled bronze, there are foliage decorations on a granulated background on the front and back, two finely openwork rosettes in the center (characteristic of this period). Smooth sides. Beautiful dagger of unusual shape, unique in its kind and certainly produced by a high-level manufacture. Length 38.2 cm. VENICE or FERRARA 15th century