Diamond double collet and platinum tracelink chain necklace, spaced by 101 short tubular platinum links crimp-collet set to each side with a round brilliant cut diamond, approximately 12cts in all
Late 19th century French gold gothic revival long chain necklace by Louis Wiese, Paris c.1890, spaced by fourteen principal lozenge shaped links, each with a different portrait head modelled in high Medieval style,