A late 19th century moonstone diamond and enamel jockey brooch

A late 19th century moonstone diamond and enamel jockey brooch, possibly depicting Fred Archer in jockey silks, his face carved from moonstone, the cap and shirt decorated with blue enamel and diamonds in yellow gold, Austrian marks, 2.5cm high, case

Frederick James Archer (11 January 1857 - 8 November 1886), also known by the nickname 'The Tin Man', was an English flat race jockey of the Victorian era, described as "the best all-round jockey that the turf has ever seen"