WW1 Royal Flying Corps fundraising OUR DAY paper badge Airco DH.4 biplane

A rare original First world War period fundraising paper OUR DAY badge in the form of a Airco DH.4 biplane which was designed by Geoffrey de Havilland for Airco. Delicate condition, colour remains bright, complete with it original pin, minor creases to tail. Width approx 50mm. Airco DH.4 biplane entered operational service on 6th March 1917