International Association of Appraisers (ISA)
Founded in 1979, the International Association of Appraisers is the leading personal property appraisal association, representing highly trained and rigorously tested appraisers, consultants, curators, scholars, gallerists, estate liquidators, auctioneers, and dealers in the US and Canada. ISA has two specialty divisions — fine arts and antiques, and furnishings and decorative arts. Outside of these categories, ISA members also specialize in gems and jewelry, machinery and equipment, fine wine, classic cars, sports memorabilia, etc.