Bosnian Bichaq

[gp]

Originally Posted by Rick

I have seen so far not another mark like this one.

I have seen a similar knife around but in a much better version or at least the decent standard Bosnian version with the kilij mark.
Please compare the handle / grip.

I can not recall exactly where but your mark rings a bell as I have seen it around before... could be as a Turkish or rather Ottoman one.
Could be that a local craftsman copied the Bosnian one and marked it with the Turkish / Ottoman cresent...