Canada, United Kingdom. A Lot Of Air School Buttons Archive 7 mm inclusive of its

7 mm inclusive of its wreath suspension

PAT 7342-17 (No 4)"

He has courses in Bridging and Field Engineering

and marked "PROPERTY OF THE U

Canada, United Kingdom. A Lot Of Air School Buttons Archive 7 mm inclusive of itsIncludes: 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