One I spotted over at an action site the seller claimed that that this was a:
...antique (WWII) Germany (signed D.R.P.) military field gear safety razor brand "DIXI".Apparently, this later model was made between 1940 and 1944 if my google-fu isn't failing, and most likely from either white metal or zinc.
A very similar razor was sold in Italy under the trade name Folgore, but I've not been able to find much about when or from what material that was manufactured. I did score a few photos though, and it looks like brass: