United Kingdom. A First War Royal Flying Corps (Rfc) Side Cap Auction Archive with inscription on top "Reichsfinanzverwaltung-Zollgrenzschutz"

with inscription on top "Reichsfinanzverwaltung-Zollgrenzschutz" (National Finance Administration - Customs Border Guard)

without metal plate

disembarked in England on the 20th and saw a promotion to Captain on October 6th

Officer Commanding Bomber Stations

United Kingdom. A First War Royal Flying Corps (Rfc) Side Cap Auction Archive with inscription on top "Reichsfinanzverwaltung-Zollgrenzschutz"Fabricated from an olive green khaki wool with fold down flaps on either side, the flaps held up with silvered metal hooks fed through brown finished eyelets, with two rising peaks forming a valley between the two panels, the front with two 12. 5 mm wide buttons, the uppers of which are in dark brown bronze, without maker marks, each of the buttons illustrating the Royal coat of arms, the top button holding the two ends of the flaps together, the