Nobody could help me..?
Mate, I can't say for sure what it is but I went to Belgium a good 10 to 15 years ago and saw several being sold as artillery gun sights. From memory the ones I saw were light grey with one or two red rings painted on them and all were in a their own wooden box.
What's your German like? Have a look here, it might be of some help https://books.google.de/books?id=8o7...156039&f=false Page 428.
Thanks you all for your help !
So this is a WW1 sight ? I thought it was a WW2
What DRP stand for ?
What could be its value ?
Deutsche Reich Patent, for a value just google you will find alot the same for sale