420. Plaque italienne en micromosaique sur cuivre et cadre en vermeil dans le goût de Giacomo Raffaeli (1753-1836), représentant les colombes de Pline, Rome, XIXe siècle, 50gr. A 'Grand Tour' micromosaic plaque in the manner of Giacomo Raffaeli (1753-1836) depicting Pliny's doves, Rome, 19th century Of rectangular form, with typical Raffaeli red and white thin border, and within a thin gilt and silvered frame engraved with floral and foliate motifs, 7.5cm wide, 5cm deep (2 1/2in wide, 2in deep), weight : 50gms