How to properly called picture

[Владимир Разепин]

In 1934 he published a postcard: Contemporary Artists . K. Yuon . November 2, 1917
In 1934 he used the new style calculus. November 2 was November 15.
What it means : Error during printing , ie without specifying the date of the new style , because it was decided in parentheses indicate the date of the old style. Karina established in Soviet times, when applied new style calculus .. The artist gave the name of the picture is the old style ? Where to look Glavlit ?