Help please understand that the picture
 

Dear experts! There are several paintings inherited from his grandfather, who once finished VHUTEMAS. Perhaps it is he himself wrote. But the technology at all varies, so there are doubts about the authorship. I am interested in mainly because the time has come to little podrestavrirovat and podkonservirovat - want to understand how serious the need for this approach.
Here's one: oil, board, approximately 40 x 30, no signature. You can tell exactly what was written before 1940 please tell me what it might be like? Copy? From the perspective of a commercial but artistic - how valuable?
Thanks in advance.
Re-shoot with a tripod, but the point of white led a fairly conventional - I have no natural light in such quantities, alas.

A very bad picture for the normal and in-depth evaluation, we need quality fotografii.U your photos from your mobile!

yes no ...

It is necessary that the picture was in focus and not in artificial light.

VAT tiling.

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Photos made at the focus, though the light is not quite ...
I found something that can be taken as a signature in the presence of a great fantasy. And please tell craquelure not arise from the negligent storage? Do not believe me that is the middle of XIX ... As a child I thought it was a copy of Venetsianov (or maybe someone said ?..), but he had no such picture? ..

Please take a look at the picture with better quality of shooting
very curious what it looks like ...
and maybe some advice on restoration?
Too bad she lost me - I'm afraid

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Actually I have already downloaded more than respectable image in the first post))