Beautiful black walnut handle that you push the button and put in the knot this is Pat 1904 and in my years of restoration work I've never seen one like it I customized two 16mm silver tip badger knots to fit it the original knot is included probably not the best design but it surely is something special and it does work you will probably never see another one like it super rare item a great addition to a collection it's well over 100 years old and ready to be used again see pictures for condition and description some signs of age shown in the pictures