German, 1920's-30's Zeppelin Donation Badge 'Zeppelin Eckener Spende'

Original period manufacture. Nice quality donation badge for the promotion and presevervation of the German Zeppelin Industry after WWI.Embroidered cloth insignia within a gilded steel frame and backing plate. Pinback reverse with the makers name Dr.R.Morisse & Co. Eberfeld. Stock photo, very minor details will vary, found one more while digging, this is the last one...