A FLORENTINE PLAQUE, GRAND DUCAL WORKSHOPS, CIRCLE OF FRANCESCO GHINGHI, 17TH CENTURY PLAQUE, FLORENCE, GRAND DUCAL WORKSHOPS, CIRCLE OF FRANCESCO GHINGHI, 17TH CENTURY in commesso of various marbles and semi-precious stones, rectangular in shape, depicting profiles of the Announcing Angel and the Virgin Annunciate within gilded ovals in relief, in turn framed by geometric frames with polychrome tesserae threaded in black, 13.5x18 cm; mounted within a partially ebonised wooden frame, 24x28.8 cm overall Comparative literature A. Giusti, L'arte delle pietre dure da Firenze all'Europa , Florence 2005, pp. 159-160 figs. 131-132