A WWII Royal Canadian Air Force (RCAF) "Squardon Leader's" Prototype Badge
Bronze, badge has been referred to as a “Squadron Leader’s wing” and is the only known example, maker marked "H. ROSENTHAL TORONTO" in two locations on the reverse, illustrating the letters "SL" in the centre framed by a wreath of laurel leaves, surmounted by a maple leaf, 21.5 mm x 97 mm, both lugs intact, very fine.

