Hemmerle, attributed to, one (1) 750 gold and patinated copper shirt button set with a cushion-cut red-orange-pink sapphire, originating from East Africa, unheated, according to SSEF report no. 147737 dated 31/07/2025, h. 1 cm, with two gold and copper cufflinks also attributed to Hemmerlé. Mounting: Good overall condition with a few scratches and slight signs of wear to the patina. Gem: Very good condition. According to our calculations: Sapphire of approximately 3.5 carats