The signature on the painting
 

Good evening.
Please tell me whether you can determine the authenticity of the signature on this picture.
Photos of the whole picture is not yet

in this picture is difficult to say anything definite,

I do not like.

Then you can assume that the author of a non-existent pictures Valentina Tsvetkova

Thank you.
Why Tsvetkova?
Written after Tsvetkov

Well, let it be then Tsvetkov Valentina.

 
What is a photo of attribution and the <! - ~ 1 ~ ->

Photos of the entire picture and the inscription on the reverse side

Добавлено через 4 минуты
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Добавлено через 4 минуты
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Добавлено через 3 минуты
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vit5, well, artists Tsvetkova a lot, I immediately thought of the St. Petersburg Viktor Aleksandrovich Tsvetkov, the author of the famous painting "The Cyclists."