A certificate of authenticity (COA) is the primary document that verifies a print's identity, edition status, and provenance. It is not a guarantee of value, nor is it legally binding in most jurisdictions — but it is the foundation of trust in the fine art print market. Knowing how to read one carefully is a basic skill for any collector. What a COA Should Include A complete, … [Read more...] about How to Read a Certificate of Authenticity