Willy: There seems to be a believe among some collectors that the Voos type LW eagle (with sprigs under the wings) is the only legitimate etching for 2nd LWs. However, the LW book by Wittmann tells a different story.
As far as the 1st model is concerned, I have never seen one with the Voos type etch. The notion that the eagle nose is too ugly to be original doesn't hold much water because the 1st LW shown on the dustcover of Wittmann's LW book shows an identically ugly eagle head, not only on the blade etching, but also on the etching on the upper scabbard fitting. Thus, the only thing that is assumed to be questionable is the PDL trademark.