Bartolomeo Boroni goldsmith, embossed and chiseled to depict the Immaculate Madonna, Sant 'Anna and two apostles, resting on oval bases centered by cartouche with a Lapis lazuli cabochon set inside,
h. from 29 to 34 cm.
Bibliography: Costantino Bulgari - Argentieri, gemmari e orafi d'italia - Lorenzo del turco Roma, parte prima,
pag 197 marchio n° 304
, peso 2305 gr.