I ask your help in identifying and evaluating the author's picture

[Яна Юрьевна]

Dear good time of day you are ! I ask your help in assessing the pictures! in the 90 years it carried an appraiser to Moscow ( Which I do not know ) and he has determined that the picture is written about in the 18-19 centuries , the authors (again, approximately) are the Italian painters, brothers. But the man who took the names of authors are not pomnit.Na the canvas there are no data on avtore.Kartina painted with oil. There are two errors in left - bottom corner of the picture is crumbling . The size of the picture , about 70 to 50. Please help more accurately identify the author of this painting and its approximate cost . Thank you for your attention