Michael R. Thompson, Booksellers, offers appraisal services for books and manuscripts for income tax, insurance, and other purposes. Over the last forty years, we have done hundreds of appraisals for relatively inexpensive material, as well as for individual items worth hundreds of thousands of dollars and archives worth millions. We have never been questioned by the IRS, and we have certainly never been overturned. Our clients have included numerous private individuals, as well as institutions such as UCLA. the University of California, San Diego, Caltech, Cal State Fullerton, Occidental College, Arizona State University, the University of Toronto, Harvard, and the Wellcome Library in London.

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