Help with attribution patterns
 

Sketches made on thin palette knife.
cardboard, the size of small 17h15, 16h18, etc., on any paper signature no.
 
Thank you for your help!

KarpatArt, and on the reverse side, too, right? "

one of them has the inscription: "Dyadі Vanі іz Krizhopol" (eng. "Uncle Vanya from Krizhopol) :)

Strangely enough, usually under the inscription put a name or signature, date ....

Suggest $ 100

found.
 

Pictures Tishetskogo Valentin Antonovich.

 
Thank you for your help!
:)