According to past auction results, a Peter Scott painting of a similar subject matter and year (1937) has been sold for between £1,500 and £3,000 (approximately $1,900 to $3,800). The value of a painting by Peter Scott can vary depending on various factors such as size, medium, subject matter, provenance, and overall condition of the artwork.
To obtain a more accurate estimate of the value of your painting, it is advisable to consult with a professional art appraiser or a gallery that specializes in wildlife or sporting art. They can examine the artwork in person and provide an appraisal based on their expertise and knowledge of the market.