Help evaluate the picture

[вамвопрос]

Zdravstvuyte.Esli might appreciate a picture.
1. The author just do not know, they say the workshop Dyukamena
2. Material and manufacturing technology, oil on canvas.
3. The size of the frame 80h110 see
4. Date end of the 19 top 20vv (possibly)
5. Captions, labels, stamps, birochki (if any - need photos).
6. State-in the picture with a sea view there is no trace of skilled restoration of the canvas. (There was a slight cut)
7. Expert opinion, no
Thank you