Need some help identifying the age and potential value of this gun from my Grandfather, any help will be appreciated. Marking " NITRO" 
yep. Check out this, showing the different quality level markings used in the GDR:doppelflinten said:So, Q1 refers to export quality during the DDR years;
interesting.
In the '80's I used to visit friends in East Berlin fairly frequently. It gave me a kind of perverse pleasure in inviting them out to dinner in locations which were out of bounds to unaccompanied GDR citizens, and then paying the bill with my American Express card. So much for the idea of a "classless society"!doppelflinten said:It was interesting to learn that Soviet officers travelled to West Berlin to purchase their Merkels in order to obtain the best quality.