The gun in question doesn't have the D.R.G.M. 17913 stamp; therefore, it may have been made in 1899 or 1900. A D.R.G.M. was good for 6 years and just by looking at the number of Mauser D.R.G.M.s issued in the 1890s and with 54,786 being issued in August of 1895 and 56,504 in March 1896, going backwards in time 17913 would have been in 1892, +/-, and 1898 would have been the end of the reign of D.R.G.M. 17913 for the clock-hand indicator. After that they could have stamped it as a registered design.
Kind Regards,
Raimey
rse
