Watercolor
 

please help identify the author.
family s1934 goda.Viseli vvydannoy grandfather's apartment on Nevsky prospect
akvarel.Bez signature.

This copy with Elizabeth Boehm. Original attached.
Kindly, there's a lot: http://amnesia.pavelbers.com/LizavetaBem.htm
Boehm Merkuryevna Elizabeth (1843 - 1914)
The famous Russian painter, graphic artist, illustrator, watercolorist and Silhouette. Born in St. - Petersburg, Russia. With the silver medal graduated OPKh drawing school, where she studied under Ivan Kramskoy and Chistyakov. In 1870, St. Petersburg Academy of Arts awarded major incentive medal for watercolor and pencil drawings of animals. Participant Exhibition of Arts and ORA. The works were exhibited in Paris, Munich, Milan, and everywhere there were medals. From 1875 was issued 14 albums with the works of the artist, who enjoyed popularity not only in Russia but also abroad. Author of numerous silhouettes and watercolors depicting scenes of rural life and the lives of children. The important place occupied in the creation of images. He has designed over a dozen books, including works of Russian classics, folk tales and children's books. The designer of the book to publishers I. IDSytin regularly worked in various magazines ( "Niva", "New Era", "Baby" and others). Created more than 300 original compositions for the so-called "open letters" (cards). From the magnificent works of glass in the "Russian style", which were created on Dyatkovo crystal factory and won gold medals at exhibitions in Paris and Chicago. The works presented in SRM, TG, XM Saratov, Perm and other