sentences:  The slide serrations on the 1902 sporting model initially continued the sixteen milled plunge serrations on each side as featured in the model 1900.The 1902 Sporting Models looked very much like the Model 1900, however all vestiges of the 1900 sight safety had disappeared.At approximately serial 8000 around April 1905, these serrations were changed to a more modern look of twenty instantly discernible cut serrations as they did not plunge into the slide but cut down to the bottom.