
There are a few organizations that teach and accredit personal property appraisers. The following is a list of the the affiliated accrediting organizations of A.A.S.L...

The International Society of Appraisers (ISA) is a not-for-profit, member-driven association, formed to support our member needs and serve the public by producing highly qualified and ethical appraisers who are recognized authorities in professional personal property appraising.
The AOA believes that when done in a professional and conscientious manner, online appraisal reports help serve the public.
The Appraisers Association of America continues to serve the arts, legal, and financial communities and private and corporate collectors, with our members providing appraisals of fine and decorative arts, jewelry, and household contents to the highest industry standards