Help authored and evaluation pattern

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Landscape was painted in oil on wooden slats (ie, not laminated plywood) Size slats 36,5 h27, 0 cm thickness 2-3mm. We also know that when it was brought from Kharkov, Kharkov, written by some well-known artists of the first half of the 20 veka.Na obverse bottom left illegible signature. Basis arched forward as an icon, in connection with which it was difficult to qualitatively its scan in the absence of a camera. On the back are no inscriptions have been found.
Request to SW. experts to determine the authorship, date and approximate price pattern .
Many thanks for your attention!