WW1 Britain France Belgium Japan & Russia united allies patriotic flag brooch

A very unusual First World War period 'United Nations patriotic flag brooch'; small gilded brass example in the form of a rotating fan of flags, comprising British Union Jack, France, Japan, Belgium and Russia inlaid in vibrant coloured enamels, the reverse impressed with "REGd.64189?" a registered design and patent date of 1914. Very good condition, retaining original pin fittings, enamel perfect, gilt finish remains fresh.
Height 18mm.

Code: 13597