>Why "almost certainly..."?
>I'm actually inclined to think it's a Walden...
OK, then ,just... probably.
Bonney is a known maker of tools some other for KM, and the design looks identical to the one in Bonney's catalog.
Then again, who knows if Bonney made them as opposed to buying them from Walden....
Or do you see a slight difference in design detail I missed?