Marchak: Sapphire and Diamond Brooch, Circa 1920. Calibré-cut sapphires. Single-cut diamonds approx. 1.40cts total. Signed J. Marchak Paris, French assay mark. Length 7.2cm. Weight approx. 8.0g. CONDITION REPORT: Some light surface wear to unhallmarked white metal with French assay mark (dog's head facing right) indicating platinum. Signed J. Marchak Paris. SAPPHIRES: Of varied blue transparent hues, some with light abrasion to facet edges. DIAMONDS: Bright and lively, one deficient.