Augie- that Boker is something else indeed- the Ultimate Jack ( other than a Harness Jack of course

).
Augie I hold charts etc and cannot find that tree either - but if you were to ask me by holding that knife in front of me - I would say Remington all day long- the build, Bone everything screams Remington.
Did Boker have Knives contracted to them by other companies? Boker could have Stamped the blades if it were the case and consigned outwork? If they did - could you consider the above thoughts?
I know this sounds silly - but this is what I do when viewing such knives like this - Remington’s Bone often on these types of Jacks did have deeper dishes in the Jig work - but there were variances of course- would be a good thing to do whilst having a Beer to line up a Rem Jack alongside your Boker just for conversation.
What a stunning knife!