Question on sales prices of paintings

[Сергеич]

Artists who worked in the classical style, Aivazovsky, Shishkin, etc., differ little from their contemporaries, the good, not necessarily Russian. Scandinavians have written the same landscapes.
Chemical analysis shows that time. Therefore, if the paintings of such artists is not 100%provenance (history), then sell them difficult or impossible.
About Baranoff-Rosina can not say, but members forum prokomentiruyut.
I know there are specialists. But socialized thought (agree with Nik)
this is fake or very unsuccessful in quality of work.