Strange markings on my lugers "loaded indicator"

[MFC]

Originally Posted by olearyjms2

Further research ive done indicated that the bolt assembly may have been replaced when the pistol was overhauled in 1920. As I understand it, all lugers that were allowed to be kept by germany after
WW1 were date stamped 1920 and re-conditioned.

Hi James,
The term 'doubledate' is a misnomer. 1920 is not a date. It is a property stamp which was used to indicate Reichswehr property. It has nothing to do with it being reworked or not. Actually most "doubledates" were not reworked.