Definitions for "Certificate of Authenticity"
Keywords:  coa, attests, edition, genuine, artist
A document that attests to a piece's being genuine and establishes its place within a limited edition or production.
a certificate from a recognized authority attesting to the genuineness of a philatelic item. Also see expertization.
This is an integral part of all legally licensed Microsoft software. With retail/boxed products, there will be a COA on the box. With pre-installed software the COA sticker is attached to the PC chassis.
A certificate issed by a mint stating the denomination and metal content of a coin.