Details
                                        
                                            AN EXQUISITE DIAMOND, BLACK ONYX AND ENAMEL MIRROR
The circular mirror in a calibré-cut black onyx and old European-cut diamond frame with black enamel reverse applied with a circular-cut diamond monogram, old European-cut diamond trefoil surmount to the black onyx and diamond oval hoop, circa 1920, 7.0 cm. diam. (mirror slightly chipped)
Signed by Cartier, Londres
                                        
                                    The circular mirror in a calibré-cut black onyx and old European-cut diamond frame with black enamel reverse applied with a circular-cut diamond monogram, old European-cut diamond trefoil surmount to the black onyx and diamond oval hoop, circa 1920, 7.0 cm. diam. (mirror slightly chipped)
Signed by Cartier, Londres