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Re: 1850's Oil Landscape Painting by C. A. Treadwell
As I've said many times on this forum one really cannot appraise original oil paintings from images. Signed paintings from this period can be highly valuable or go for a couple of hundred dollars, but they really need the services of a Fine Arts Appraiser that deals with 19th Century American Art. It would be worth your while to have an Appraiser physically appraise this painting, you are not going to get a proper valuation on a online forum for pieces like this.