: Look for a Certificate of Authenticity (COA) from a respected third-party service like PSA/DNA , JSA (James Spence Authentication) , or Beckett Authentication Services .
: Work with sellers who have long-standing credentials in organizations like the Manuscript Society or the Professional Autograph Dealers Association . buy and sell autographs
Value isn't just about who signed it; it's about the details. Dealing With Dealers: How to Buy and Sell Autographs : Look for a Certificate of Authenticity (COA)
The biggest risk for any buyer is purchasing a forgery. To protect your investment, follow these industry-standard practices: JSA (James Spence Authentication)