Double Date Question

[ithacaartist]

Originally Posted by Don M

A date like 1918/20 means the receiver was date stamped in 1918 but the pistol was not completed until 1920. This is totally different from the 1920 government property stamp which could have been applied by either the Reichswehr or the police.

Thanks Don,
But how does one tell the difference? I have a 1917/1920 DWM military that was converted from an artie. How does one identify a pistol with receiver double-stamped to indicate a 1920 date of completion v. one that was property stamped with the 1920?
D.P.