2/23/2025 update
Consecutive Numbered Duo's
1941 - Pre War - 17045 with book number 6700
1942 - 36322
1943 - 62571
1943 GECO Marked "rig" - 73720
1944 - 96079
1944 " rig" - 112258
1945 "rig" - 119466
1945 "rig" - 119467
1947 with post war carry holster - 159510