"Portrait of a Girl", help with the assessment

[Slepok]

Dear connoisseurs and experts

Portrait of a girl (for lack of names so far leave ).
By - J. Bouche (?) ( Nothing about it is not found)
Materials - oil on canvas. Size - 64 x 52 cm - the visible part of the picture .
Found only match the last name and initials:
http://www.arcadja.com/auctions/en/b...artist/354191/

Please help me to evaluate the work.
Thank you in advance . Eugene.