Having studied shoulder boards at great length, I have to say that these are odd, but of basic Russian design and obviously of old construction.
I can ask our colleagues on the Russian forums. I would think most would answer with "Фуфло", but we may encounter one who possibly knows...
Before I do that, lets see what Dim thinks...
Fellow collectors are NOT adversaries to be bested...
☭ "Ричик, я не понимаю, почему, почему ты тратишь деньги на эти вещи!" ☭
I think too ""Фуфло", faked, because it's to be the little brother of this one :
And, will try to find, the ukrainian seller, of this.
I think it was this one, the clith is very similar.
Russian Soviet Military Navy, Collectible Playing Card items in ingryda market store on eBay!