So there's at least two style clamps, and it appears to mostly be in the handle. There's a vast difference in "value" between the two. If I had to take a guess, the "fancy" ones I posted above would probably be appropriate to my older trap and these would be more appropriate to my dads 1925 or later trap...but that is just a guess.
https://www.ebay.com/itm/Antique-Vi...e=STRK:MEBIDX:IT&_trksid=p2060353.m1438.l2649
https://www.ebay.com/itm/Antique-Vi...e=STRK:MEBIDX:IT&_trksid=p2060353.m1438.l2649