Outstanding vintage art-deco silver cufflinks with the cabochons of Genuine Baltic Amber (fossilized pine tree resin from eocene). Metal: 875 silver Weight: 11.94 g Size : 21 x 14 mm Cabochon size: 17 x 11 mm Whole stone. Cut shape - round. TESTS to indicate the natural amber : Floats in the salt water, sinks in fresh water; Has characteristics of pine resin odor if heated; Has a characteristic color under UV rays. Shipping: safely packed, courier mail with tracked ID. Amber has been used as a talisman for courage and self-confidence, and was thought to bring luck. It is believed that Amber stabilizes stronger and higher energies in the body and can influence them by offering balance and protection. People use Amber to eliminate negative energies, eliminate fears, acquire patience and wisdom, and even soothe bodily aches.