New Shashka: need advice

[ariel]

Here is my new Shashka. Despite being advertised by some people here as a "Shashka maven", I am far from it and need help.
First, it is completely original, down to the wood inserts of the scabbard(very worn, though). The leather is two -color: black at the top, burgundy at the bottom (Daghestani?). The blade is locally-made and has a half-gurda mark with several indentations around (Daghestani?????). It is quite heavy, as opposed to the light Circassian ones. The handle is one piece horn, with meduim size split (not very narrow as Circassian, but not as wide as Georgian). The decorations are , likely, silver-coated brass (cheap, cheap, cheap....). But the ornaments look Circassian to me, with niello-ed central rosettes and very sparse embellishments around, although there are no typical Circassian "horns". There is no date, no name, no inscription.
I tend to think it is Daghestani, early-to-mid 19th century (Shamil???)
Need opinions.