Has anyone noticed that the tang nuts on EP&S early SA & SS daggers are much shorter in the area where you put the wrench ?

See picture. EP&S is on the left. At the Raleigh show this weekend, I happened to notice this on two EP&S daggers.

It may be just these two daggers.

Comments ?

Dave

Nuts_-_small.jpg (34.8 KB, 271 downloads)