Nice old Boker barlow there. I have some references bookmarked at home, when I get out of work I'll post the links and maybe we can figure out about when it was made.Sent from my SCH-S738C using Tapatalk
Nice looking pocket knife you got there.
My very first knife was very similar to that, though it lacked the small blade of yours. Sadly mine is long lost, but I look forward to seeing the ongoing clean-up.