Luftwaffe pilots badge

This is nice- just moderately used typical later-war-period - zinc based example of a non-maker-marked so-called: WH (Luftwaffe)
'Flugzeugführer-Abzeichen' (or:
pilots'-badge)  produced by the:
'Friedrich Linden'- (ie. 'FLL'-) company and comes in an overall very nice but used condition.The badge comes mounted onto its
functional pin and and block-hinge' pin-set-up . The badge has a superb age-patina and retains most of its original typical zinc-based finish: