Here's a logo shot of one of my special Feuerwehr sawbacks, this one a single oval short model. Based on the timeline of Eickhorn's maker marks, I would estimate this piece to be one of the first produced edged weapons of the 3R. You can also see the early pattern bakelite on the grip plates.

1.JPG (71.91 KB, 63 downloads)

GDC Gold Badge #290
GDC Silver Badge #310