CARTIER Set of three pins and a button in yellow gold 750 ‰ with scallop shell decoration and set with brilliants for two and an emerald for one. Signed Cartier French work from the 50's to early 80's PB. 8,81 g (missing attachment systems for the three pins) These items were offered by the Shell company to its employees to mark years of service. It was a gratifying reward, the one without stone for 10 years, an emerald for 20 years, a brilliant for 25 years and two brilliants for 30 years.