I think your blade is far more attractive than the one I have. My blade alone is just under 18 inches long. That appears to be a couple of inches short of yours. Interesting that in a similar fashion to your example, my blade has only the most subtle lightly forged midrib on one side however the other is not flat like yours but slightly rounded. The tip to my example is not a point but rounded, like many tabouka? The forged edge on opposite sides is interesting reminding me of work far from the region. Only this top section of the blade has the cutting edges
I forgot to add that I will be spending a few days is in Prauge this November. Are there enthno collections to see other than this link?
http://www.nm.cz/sluzby-detail.php?f_id=32