Please help to identify the author
 

Please help determine the time of writing, painting , and the possible authorship.
Picture, let's say, in good condition and neochen see signature , without a restoration is not possible. However, the location of the signatures of more or less possible to identify - the upper left corner of the picture .

Some details of the picture distorted ( for example , the right hand ), others did not see , because of the darkening varnish and air pollution.

Place the photo corner where podpis.Rabota something good ...

That's better shows, but the signature is still not visible.

In the photo, unfortunately, shows little sign.
Only when viewed from a certain angle and in good light can uglyadet like any undefined symbols.


Konstantin, thank you, so do a lot better.

Like a copy of a Dutchman, but again I can not remember which.

Yes, the Dutch seem ...

However, perhaps someone can give a more accurate?

That's right, with Govert Flinck (Govaert Flinck, 1615 - 1660).
The original is now in a private collection (sold at Christies), and was formerly in the collections of Nicholas I and the famous St. Petersburg fur trader Mertens.

Thank you very much for your help!