Plastov A.?
 

Hello,

The first picture is "Portrait of Stepan Nazarova, work Plastova A. This information from the database artinvestment. Question to connoisseurs of painting of the artist: can belong to brush Arcadia Plastova second job? M /to the 1950s, 33 x 25 cm, without a signature, the origin of painting is unknown.

Grandson Arkady promised to look at and say.

Plastov A.?
 

Here is the answer Nikolai Nikolaevich Plastova artist and the grandson and son of artists.

Hello Sasha!
Unfortunately this is categorically not A. seams.
Not that the picturesque structure, not the touch of a brush, not the motion of the brush, not the method of constructing forms, downed drawing, etc. etc.
Thank you for your message.
Embrace
NP

Dedulya37,

Sincere thanks to you and Nikolai Nikolaevich for reasoned and comprehensive reply!