Appraisals, Authentications & Auction Representation

If you require an autograph appraisal or authentication for insurance, tax or estate purposes, please contact us to discuss how we can assist you. Verbal and written authentications are available as well as written appraisals. Contact us to discuss costs, which start at $125 and vary depending on the time and research necessary. The appraisal and authentication fee for archives and collections is $400 per hour with a minimum charge of two hours. Single items or small collections are charged a flat rate.

We have performed IRS appraisals for:

The New York Times, The Library of Congress, The Pierpont Morgan Library, Carnegie Hall, Boosey and Hawkes, The Bessemer Trust, Fritz Stern, Paul Simon, Patrice Munsell, The Steinway Family, The Albert Einstein/Otto Nathan archive, and the estates of Alvin Ailey, Howard Ashman, Irving Berlin, Leonard Bernstein, Abe Burrows, Walter Cronkite, George Gershwin, Martha Graham, Oscar Hammerstein II, Jerome Kern, Burton Lane, Richard Rodgers, Arthur Schwartz, and many more.

Lion Heart Autographs’ founder and owner, David Lowenherz, has served as a panelist at the Appraisers Association of America’s National Conference speaking on “The Dealer as Appraiser,” and participated in meetings of the Music Library Association. He has lectured on the subject at New York’s Grolier Club and the Four Arts Society in Palm Beach.

To discuss your appraisal needs, please call 212-779-7050 or email us.

Auction Representation:

Let Lion Heart Autographs bid on your behalf at auctions around the corner or around the world! We frequently execute bids on behalf of individuals and institutions, at both domestic and international auctions, and have the benefit of 40 years of first-hand experience buying at auction; we have personal contacts and relationships at all the major auction houses.

If you wish to learn more about our auction representation service, please call 212-779-7050 or email us.