Explain please

[tezeii]

Dear forum users, I have a picture, I am interested in this question:
1.B which is found the artist may remove your signature??
2.What could mean it??
  ----- In my opinion he can not want anything to criticize his canvases.
Any opinion is important and will be instructive, photo vstavlyu tomorrow.

Here's the reverse and obverse pictures. It is known that the picture painted 50-60, the XX century.
The picture is very attractive, both for me there is beauty in her shit. I do not know me like that. Do not prompt how to see the signature?? It is possible to lichku.