We are mostly Buck guys in this subforum but here are a few ideas:
Check out the stores - there is one Boker Barlow that is a one blade, has the thinner handle.https://www.allaboutpocketknives.com/ca ... mit=Search
Go up to the Want to Buy subforum and place an advertisement.
Go to the Boker subforum, ask the same question of the Boker collectors.
Check out eBay.
Good luck in your search and in your recovery! OH
Deep in the guts of most men is buried the involuntary response to the hunter's horn, a prickle of the nape hairs, an acceleration of the pulse, an atavistic memory of his fathers, who killed first with stone, and then with club...Robert Ruark