Contribution to the history of forgery. Kustodiyev by an unknown artist

[uriart]

artcol, yes, it says. It is.
I sproil, sold there. And he received an affirmative answer.
Next topic is not developed.

COP probably never punctured and therefore occupies the same position.
But the auction house in the special rules of their cites examples to determine the authenticity of the work.
Say, if the artist's name written in large letters, etc.