Model 3-6, late 60s early 70s, 01, standard leather handle configuration but with NS hilt (instead of brass) and dura. butt cap.
<BR><img src="http://www.fototime.com/{060221E1-9434-453B-A1FF-E8CEA94D17CE}/picture.JPG">

Model 3-7, 2005, 01, standard leather handle configuration (brass hilt, dura. butt cap).
<BR><img src="http://www.fototime.com/{9B904C11-CBA1-49E8-AE62-59C89F10A834}/picture.JPG">