Antique porcelain 2-pc buckle with scarab fastener

Porcelain buckle has Renaissance portrait of a man in blue and white with filigree background and gold bead surrounding of portraits and green scarab. There is no belt attached and wear on left hand buckle where paint has been removed and on underside of buckles. The identification are the numbers 5898 37. Width and height of buckle without scarab 1 3/4 With scarab 2 1/4”