Bacchante, poyaschaya Cupid.
 

Please confirm the authenticity of the website and determine the cost of painting .
My buddies were asked to rate the picture are in their family , a painting by Shuhvostova Stepan Mikhailovich (1821-1908) painted in 1845. oil on canvas size 95-78 . This is a copy of a picture of the artist Fyodor Bruni Anatolyevich (1799-1875) , Bacchante , poyaschaya Cupid - painted in 1828godu .
Expert opinion on the authenticity of the picture there . If the examination confirm that the picture Shuhvostova , can determine the approximate cost of the picture .

What can I say?

If documented, yes, and who can say that he copied it?

Paint all had the same, the manner in copies usually hide.