Beautiful Art Deco cufflinks with green spinel Made of gold-plated metal, hallmarked with AM. D. for Amerikan Doublé & maker's mark Measurements of the cufflinks's heads c. 19,5mm/16mm Measurements of each stone c. 14,5mm/11,5mm Total weight c. 10,71g In very good pre-owned condition, some patina, normal signs of wear-please, see scan The stones have been tested with gemstone tester PGTII-please, see the last photo Gemstones are commonly treated to enhance colour or clarity. This has not been researched for this specific item The gemstone tester does not differentiate between natural and synthetic coloured gemstones, so these particular stones could be synthetic The accuracy of the displayed colours depends on the hardware and software. Colours may differ slightly from the original product Shipping with DHL(tracked & insured)