Are you sure of the 1906 date. If it hasn't been done, Hollands will issue a letter on the gun and it's mate. The serial no. seems to be for a gun earlier than 1906.


docs.google.com/document/d/1PqK3UImDCrsOrk6O_2DsovHXvaNSzliSiwaP35Y6PMk/edit?tab=t.0