Exquisite art deco period cufflinks with whole stone Baltic amber mosaic , 10.74 g Size: 25 x 14 x 14 mm Colour: cognac/egg yolk please see photos as the part of the description TESTS to indicate natural amber: Floats in the salt water, sinks in fresh water; Acetone resistant; Has characteristics of pine resin odor if heated; Has a characteristic colour under UV rays. Shipping: safely packed, courier mail with tracked ID. Usual time of delivery: 2-7 business days.