Dear Eduard,

Thank you for your help and patience.

The presented object appears to be a painting made in oil or acrylic paint on canvas with 90 x 125 cm measurements. The painting depicts and landscape, is not signed, and would be made in the first half of the 20th century.
Sadly no additional information for an artist fitting in style and motif is given by reference books and databases.
Comparable objects were recently offered and sold on the international auction market.
This piece is in good condition and no severe damage is visible in the images provided.
A fair market estimation would be between 150 to 350 USD.
This estimate is based on actual recent past recorded auction sales of comparable items. Retail "asking prices" can be higher and may vary.

With kind regards,
Gregory