It is commonly a seal on paper authenticating a specific art work which and is made to demonstrate that the item is authentic.Ĭomputer COAs have a license number on them, which verifies that the program is a genuine, legal copy. JSTOR ( December 2007) ( Learn how and when to remove this template message)Ī certificate of authenticity with a coin set.Ī certificate of authenticity (COA) is a seal or small sticker on a proprietary computer program, t-shirt, jersey, or any other memorabilia or art work, especially in the world of computers and sports.Unsourced material may be challenged and removed.įind sources: "Certificate of authenticity" – news Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
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