Thank you for submitting your item for appraisal. This appears to be a painting by Igor Sidorin (1947-2000), painted in 1988 in Moscow. The artist studied architecture and painting in the 1960s and was member of the Krugavaja Paruka group. After the iron curtain fell he traveled and exhibited in western Europe, especially in Germany and Portugal. Few of this paintings have been sold at auction. The estimate is based on few results.