Small pin - takedown lever

[sheepherder]

Originally Posted by ErikXIV

Hi, no Im not sure at all. I assumed that was the case since he bought it in 1948. If the gun was fitted with this barrel by the Fins, wold there be any special marks for me to look for?

I'm not sure about any special proof marks...but is there anything on the front sight??? Letters; numbers; any marks??? On the blade itself or on the barrel band (or the stepped base)???