A turquoise set necklace, by Charles S. Crossman, the tri-lobed panel around oval cabochon turquoise, to the centre of a belcher-link chain swag necklace with further collet set turquoise cabochon accents, stamped ‘14k’ and bearing maker’s mark, together with a turquoise and half pearl set pendant, circa 1870s, and a jadeite pendant necklace, the jadeite panel carved to depict fruits and foliage with a frog, suspended from a knot-link chain, clasp stamped ‘14k’, all jade untested for treatment or enhancement. £200-300

Charles (Chas) S. Crossman & Company were based in New York and produced American Art Nouveau style jewellery from the mid 1890s until the mid 1930s.