Re: S/N 310687 Archived Message Posted by revdocdrew on January 3, 2008, 8:41 pm, in reply to "Re: S/N 310687" Mark: this is another 1906 gun that does not have the grade mark The O grade guns have a simple line border engraved around the lockplate, the OO has no engraving. Message Thread: S/N 310687 - Mark McAnally January 3, 2008, 8:02 pm Re: S/N 310687 - Mark January 3, 2008, 8:28 pm Re: S/N 310687 - revdocdrew January 3, 2008, 8:41 pm Re: S/N 310687 - Mark January 3, 2008, 8:57 pm Re: S/N 310687 - M.McAnally January 3, 2008, 9:41 pm Re: S/N 310687 - Dick Miller January 4, 2008, 8:37 am Re: S/N 310687 - Mark January 4, 2008, 5:43 pm   Searching