A Certificate of Authenticity (COA) is a document from an authoritative source that verifies the artwork’s authenticity. A COA is usually signed by the artist, authorized estate, or foundation. In rarer cases, a printmaker may sign a COA.
A Certificate of Authenticity (COA) is a document from an authoritative source that verifies the artwork’s authenticity. A COA is usually signed by the artist, authorized estate, or foundation. In rarer cases, a printmaker may sign a COA.
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