United States. A Lot Of Six United States Air Force (Usaf) Pilot Collar Badges certificate_of_authenticity 1935-1936 - Printed in four-colour

1935-1936 - Printed in four-colour ink on a thin paper stock

marked "O" on the reverse

Here is where the controversy begins

32 mm x 35

with intact black paper backing

United States. A Lot Of Six United States Air Force (Usaf) Pilot Collar Badges certificate_of_authenticity 1935-1936 - Printed in four-colourFirst badge in sterling silver, marked "STERLING" on the reverse, measuring 35. 5 mm (w) x 10. 3 mm (h), horizontal pinback; second badge in sterling silver, marked "STERLING" on the reverse, measuring 35. 5 mm (w) x 10. 5 mm (h), horizontal pinback, dark patina; third badge in sterling silver, marked "STERLING" on the reverse, measuring 25. 8 mm (w) x 6. 7 mm (h), horizontal pinback; fourth badge in sterling silver, maker marked "N. S. MEYER, INC NEW