Canada. An Early Royal Canadian Air Force (RCAF) Observer (O) Sleeve Wing Auction Archive Footnote: The Battalion was raised

Footnote: The Battalion was raised in Ontario and Quebec and mobilized at Camp Valcartier

were absorbed into the Canadian Engineers upon reorganization of that corps in 1917

and went to the coast with the Cobourg Heavy Battery when they were called at the outbreak of war

marked "BRONZE" on the rim

Canada. An Early Royal Canadian Air Force (RCAF) Observer (O) Sleeve Wing Auction Archive Footnote: The Battalion was raisedSilver and gold coloured bullion wire, maroon and black embroidery on the crown, touches of red, green and blue embroidery in the crown's base, on a steel blue wool base, padded, black paper reinforced backer, 40 mm x 60 mm, four push pin attachments, extremely fine.