Unknown Fountain Pen, Germany, Black

MI1278 Unknown Fountain Pen, Germany, Black cap and barrel, triple gold plated cap bands, clear ink view window, piston filler – fills only from a bottle. Gold plated nib is marked: Dauer Feder 4, Firm extra fine point.  Measures 5 3/8 inches long. Light wear to cap bands and a little tarnish on clip otherwise very good. (1 avail)