Avro Aircraft Manufacturer ARP air raid precautions badge

A very rare original Second World War period 'Avro Aircraft Manufacturer ARP badge'; gilt triangle bearing the blue and white enamel 'AVRO' winged logo, with 'ARP' below; the the reverse impressed with maker's details 'Thomas Fattorini Ltd Regent St Birmingham'. Good condition, complete with original buttonhole fitting, gilt finish remains bright, enamel restoration to the top left point, price reflects.Height approx 24mm.AVRO was founded in 1910 by 'Alliott Verdon Roe' at Brownsfield Mill, Great Ancoats Street, Manchester,