Swann Galleries Auctioneers, New York
Swann Galleries conducts auctions of rare and antiguarian books, maps and atlases, autographs and manuscripts, photographs, prints and drawings, and vintage posters. We also offer appraisal services.

Hirchak, Thomas
Auctions and appraisals: Real estate, antiques & collectibles, restaurant equipment, business equipment. Located in Vermont, serving New England and New York.

Cherrystone Auctions
New York company specializes in postal history, rarities, and other worldwide issues.