WW1 Aircraft Manufacturing Company war workers identification badge

A scarce original First World War period silver plated badge for the 'The Aircraft Manufacturing Company Limited Hendon' often shortened to 'Airco', the central logo a winged 'A' with 'Co' at its base on light blue enamel ground, within a blue enamel circular title "The Aircraft Mfg. Co. Ld. Hendon", the reverse impressed with official issue number "538". Very good condition, retaining original pin fittings, enamel perfect, minor wear silver plating.
Diameter 26mm.

Code: 53423