Artist Ivan A.Lvov help find information

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Please help find the information and the artist's biography
Ivan A. Lvov.
Unfortunately to date there are very few of these , a pity, because his work is quite interesting.

In Gelos September 30, 2005 were sold one of his paintings :
Lions IA Street of the provincial town. Canvas on cardboard, oil. 20x25 , 8. Signed: " Iv.Lvov ." Examination of THG.

www.maslovka.info: 1st citywide exhibition of fine art
Opened in 1930 in Leningrad, in the halls of the Academy of Arts.
Attended by 239 artists, 763 works eksgponirovano . Sections: painting, drawing, sculpture, architecture , china , theater design.
 Catalog was published : " The first catalog -wide exhibitions of fine arts. Painting, Drawing. Schedule. Sculpture. Architecture. Porcelain. Theater design . " (Leningrad oblast agency Rabis Union ), 1930 .
Participants: .... Lions EA , Lions IA , ....