small enamel flaking on 3 arms at the finial points
constructed of polished PLATINUM
thus revealing the bare tombac underneath - remnants of the black finish visible near the hinge and catch of the badge
Military Aeronautics Luis B
The interior of the cap features a 30 mm-wide sweatband constructed of black lacquered ribbon
Canada, United Kingdom. A Lot Of Air School Buttons Buy Now small enamel flaking on 3Includes: 1. eleven Air Observer School (OAS) Buttons (four are in silvered metal with silvered metal cores, maker marked "Wm. SCULLY, Ltd. MONTREAL" on their reverses, measuring 22. 8 mm in diameter each, intact loops; two are in bronze with bronze cores, maker marked "Wm. SCULLY, Ltd. MONTREAL" on their reverses, measuring 16. 8 mm in diameter each, intact loops; five are in silvered metal with silvered metal cores, unmarked, measuring 16. 5 mm in