N. F.Denisovsky "On the Crimean coast"
 

N. F. Denisovsky "On the Crimean shore."
Postcard Publisher akhr, Lit."Detsky Mir", Moscow.
Circulation: 10,000
30-ies of the 20th century.
There is a version - very rare and expensive.
Please confirm or deny.
Tainted - is viewed the inscription With orig. hood. Deineko.

What does Deineko??!

So I would like to know, and.
Look carefully, on the reverse side is dipped string and it is viewed surname Deineko.
Can typographical error, maybe other reasons (which I don't know). That is why I wrote about it. Maybe someone knows the reason vymachivanie.