Three Luftwaffe Cloth Insignia Hold A Second War Efficiency Medal

A Second War Efficiency Medal Bar to Major Robert Buell RCIC - 1939-1945 Star

1937 RAD Messen - Kundgebungen Tinnie - In die struck aluminum

53mm x 45mm

and other comments that argue that badges that don't exhibit this characteristic have lost it overtime

Three Luftwaffe Cloth Insignia Hold A Second War Efficiency MedalOfficers breast eagle, 2nd pattern (eagle with flared tail), in silvered bullion wire on Luftwaffe grey wool backing, tunic removed; Luftwaffe EM trapezoid cap eagle, machine stitched eagle and cockade on grey wool backing; Luftwaffe Enlisted NCOs breast eagle, in silvery machine embroidered threads on grey blue Backing, drop tail eagle (1st pattern); in generally very fine condition.