From the first picture is more or less understandable.
Jean Marembert oil on canvas 1930 61h46sm
Here is one of the many links that gives search:
http://www.papillongallery.com/jean_marembert_nude.html
Not even a loss for a detailed interpretation, we can understand that he is serious museums, together with famous people exhibited, signed manifests in different groups was ...
On the second picture (oil on canvas 60h80sm) traces the signature could not be found, but there is intrigue and more. Among the two things she looks older, that is, I'm almost sure that not later the same year 1930go written. According to all literate people, who saw its characteristic profile should represent a specific person and not someone anyhow, and - Marc Chagall (in kraynyak - Jean Cocteau, but the entire entourage of course, more "Chagall"). That is, the work could easily be devoted to Chagall and executed by one of his students or friends of artists. I have a few years ago was associated with some French experts, who were taken to attribute thing, but cheated and demanded to take her to France and did not want to speak in absentia. Sell it at the time I did not particularly wanted, so this issue and stalled, but with the composition and the specific pictorial techniques to establish the authorship, of course - possible.
Would not want to look unsympathetic, demanding in his first report "of the proposals in PM. Hopefully, the price of 150,000 TR each, and if it finds wanting, then, at least, will not cause charges of absurdity. I think that the pre-war paintings of such subjects on the market a bit.