Assuan granite, gold and micromosaic snuff box

mark of Luigi Mascelli, rectangular body, gold frame and closure, lid centered by a roman micromosaic plaque on copper depicting the "Le colombe di Plinio", probably work of Giacomo Raffaelli. Literature: Costantino Bulgari, "Argentieri, gemmari e orafi d'italia", parte prima Roma, pag.109, bollo n° 685 Roberto Grieco, Arianna Gambino, "Roman Mosaic", pag 105, 3,5x8,5x6 cm.