Leon E. Castner, ISA CAPP, Antiques, Furnishings + Decorative Arts



Leon E. Castner
ISA member since Jan 01, 1980

(910) 232-3950 (Office)

4301 Wendy Way
Schwenksville, PA 19473 map

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Mr. Castner's professional experience
President, Castner Estate Service, Inc (Appraisals/Auctions), 1985-present
Director of Education-ISA 2010-2016Senior Partner, National Appraisal Consultants, Hope, NJ, PA - 1992-present

Trusts and Estates Specialist, Alderfer Auctions, 2019-2020

College Instructor, Speaker, Author

B.A. 1970 Gordon College, Wenham, MA
M.T.S. 1972 Gordon-Conwell Theo. Sem., S. Hamilton, MA
Ph.D. 1995 Western States University, Doniphon, MO (non resident non traditional)
Appraisal Courses: Indiana University (ISA 101, 102, 103, 104, 105)
Appraisal Courses: Indiana University (ISA Appreciable Residential Contents, Antique & Period Jewelry)
Satisfactorily Completed National USPAP Course, May 2007, 7 Hr Updates 2012, 2014, 2016, 2018, 2020

International Society of Appraisers (CAPP Designation)
Past Member:  Appraisers Association of America (Certified in Antiques & Decorative Art) 

Member of Association of On-Line Appraisers

Adjunct Professor of Fine Art, Centenary College, Hackettstown, NJ
NAC Developer & Presenter: Understanding USPAP (Uniform Standards of Professional Appraisal Practice)-A Personal Property Perspective
Castner Estate Service- Antique & Collectibles Seminar: Antiques & Significant Collectibles
New Jersey Department of Insurance: Appraising the Appraisal (Writer and Presenter)
International Society of Appraisers-Core Course in Appraisal Studies-1999-2016
University of Washington, Adjunct Professor, 2006-present
International Society of Appraisers-Re-qualification Course-2004-2016
Appraisal Bootcamp, Various Locations US, 2002-present
Reviewing Another's Appraisal, 2008 ISA Conference, Baltimore, MD
National Auctioneer Association and ISA Bridge Course-2008

Certified USPAP Instructor (AQB)-2014-present

Industry Recognition
1988 ISA Outstanding Member (International Society of Appraisers)
1990 ISA Outstanding Member
1993 New Jersey Auctioneer of Year
1993 ISA Outstanding Leadership Award
2004 ISA Presidents Award (excellence in the Appraisal Profession)

2010 ISA Lamp of Knowledge Award

2013 ISA Lifetime Achievement Award

2014 ISA Distinguished Service Award

 International Society Of Appraisers
1998/03 ISA Ethics (Including Chair)
1993/94 ISA Ad Hoc Education Chair
1991-94 ISA Designation & Review Chair
2000-09 ISA Designation & Review (Appraisal Reviewer)
2002/09 Professional Development Team
1995-2009 Appraisal Studies Committee (Course Development)
2004/07 ISA Foundation (Non Profit Educational)

Other Duties Or Recognition
2000-present Radio Show Host, NPR Syndicated, Value This With Brian & Leon
1999 ABC 20/20 Consultant and Feature Show-"Estate Auction Fraud"
1997-2007 Feature Writer Renaissance Magazine 
1996/99 Feature Writer Montage Magazine (What's It Worth)
2001 Co-Author, United States Coins, Martingale Press
2000 Series Editor, Collectors Compass, Martingale Press
2008 Author-Betcha Didn't Know That (Antiques & Collectibles Tips)
2006-09 Foundation for Appraisal Education, Chairman of the Board
2018-present  Specialist Writer:  NAJA Newsletter (National Association of Jewelry Appraisers)

1990-Present  Hundreds of Appraisal Shows Across the East Coast at Libraries, Community Centers, Historical Societies, Rotary and Civic Clubs, etc.
2008 Journal of Advanced Appraisal Studies, The Issue of Blockage and Richard Nixon
Clients Include
Insurance Companies, Private Insured, Attorneys, TASA, US Attorney's Office, US Homeland Security, FBI, Government of Canada, CPERB, US Marshall's Service, FBI, Bankruptcy Court, Civil Court, Museums, Cities, Individuals Estates, Insurance, Divorce, Claims and Litigation, Family and Equitable Division, Charitable Contribution, Unusual and Complex Appraisal Problems. Covering the entire country, particularly the East Coast.


  • Collectibles - Coins & Currency
  • Collectibles - Sports & Trading
  • Collectibles - Stamps & Postal History
  • Furniture
  • Religious Items/Artifacts


  • Appraisal Review
  • Damage Claims
  • Donations
  • Estate Evaluations
  • Estate Probate
  • Expert Witness
  • Insurance Claims

Performs Appraisals Of

  • Art
  • Clocks
  • Collectibles
  • Collectibles - Coins & Currency
  • Collectibles - Sports & Trading
  • Furniture, Fixtures & Equipment (FF&E)
  • Lamps & Lighting Fixtures
  • Religious Items/Artifacts
  • Silver