Help identify
 

Please help assess the value of the picture, I wildly izvenyayus for a photo, make a quality, I might add.
The size of the picture 87H57sm, found in the attic, there is a suspicion of a famous author, but it is not signed.
Thank you all in advance.
Sincerely Oleg7

Level.
for a famous author.
rather weak

Unknown author 100%.
If they will pick up for $ 100 - safely return!
)

The size of your picture is written as follows: 57h87, it's the future, yet suddenly find in the attic.
Give more information:
1. Author.
2. Material and equipment manufacturing (oil on canvas, paper, pastels, watercolors, lithographs, oil, pencil, etc.).
3. Size (horizontal x vertical for painting).
4. Date (1899 /early., Mid-twentieth century. Etc.).
5. Captions, labels, stamps, birochki (if any - need photos).
6. State (breaks, debris, scrapes).
7. Expert opinion (if available) - the organization + name experts.
8. High-quality photograph of the picture, the back of the painting, photo captions (if any).
9. Origin of the picture.
10. Any other information useful for the attribution of the painting.