Germany, HJ. A Mint Proficiency Badge, Silver Grade Cloth Version, by Gustav Koenig visually-hidden unmarked but demonstrating the characteristics

unmarked but demonstrating the characteristics of manufacture by Ziemer & Söhne

with flames between the arms

signed by the Air Vice-Marshal

a two-piece brim leather band with additional tongues

Membership in the order was limited to 10 Grand Crosses

Germany, HJ. A Mint Proficiency Badge, Silver Grade Cloth Version, by Gustav Koenig visually-hidden unmarked but demonstrating the characteristics(Hitlerjugend Leistungsabzeichen in Silber, Stoffausfhrung). Constructed of black rayon with silver aluminum wire machine embroidery, the reverse retaining a fully intact Reichszeugmeisterei (RZM) label bearing a makers code of A4 99 for Gustav Koenig, Wuppertal, measuring 70 mm (w) x 100 mm (h), in near mint condition.