Butterfly Pink Guilloche enamel brooch numbered by J A & S

A scarce original eary 20th century superb qualty 'Butterfly silver pin badge'; large pale pink translucent enamel wings with green spots, the head and abdomen in translucent green, the reverse impressed with maker's details ' J A & S' in a lozenge 'STERLING SILVER' and embossed number '1085. Very good condition, complete with original pin fittings, no stress marks or damage to the enamel.Size approx 38 x 21mm.