CARTIER, AN EARLY 20TH CENTURY ENAMEL AND DIAMOND 'AUGIS' PENDANT

CARTIER, AN EARLY 20TH CENTURY ENAMEL AND DIAMOND 'AUGIS' PENDANT, inscribed Qu'Hier Que Demain (more than yesterday, less than tomorrow), with applied plus and minus motifs set with circular-cut diamonds, against a blue guilloché enamel ground and a circular-cut diamond-set border, the reverse inscribed 'AYOJ-52-2', in yellow gold and platinum, the bail signed Cartier Paris, diameter 2.4cm