Postby Qrt.S » Fri Jan 08, 2021 4:48 am
@AG2012
Mind my saying but the RAO is X and stands for Kharkiv, Its not K for Kyiv.
Anyway, a new sharp close-up of the mark to the left would show the manufacturing year and not only the maker. Unfortunately I have no register of makers in Ukraine, maybe AG2012 has?