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  2. Certificate of authenticity - Wikipedia

    en.wikipedia.org/wiki/Certificate_of_authenticity

    These certificates can be used as marketing tools and are often used in auctions or private sales to prove authenticity. COAs prove an item is genuine, untampered and prove its value. Items such as artwork, rare coins, collectibles and luxury goods can fetch much higher prices when accompanied by an official certificate of authentication. [1]

  3. Authenticity in art - Wikipedia

    en.wikipedia.org/wiki/Authenticity_in_art

    To guard against unwittingly buying a forged work of art, sellers and buyers use a certificate of authenticity as documentary proof that an artwork is the genuine creation of the artist identified as the author of the work — yet there is much business in counterfeit certificates of authenticity, which determines the monetary value of a work ...

  4. Fine art authentication - Wikipedia

    en.wikipedia.org/wiki/Fine_Art_authentication

    Fine art authentication is a process that ensures the integrity of artworks, preserves cultural heritage, and maintains trust in the art market.By combining traditional methods, scientific advancements, [1] [2] and emerging AI [3] and blockchain technologies, [4] art authentication can offer accurate attributions and protect the artistic legacy for future generations. [5]

  5. Just because it's certified authentic doesn't mean it's not ...

    www.aol.com/news/2009-09-14-stop-giving-me...

    These days everything comes with a certificate of authenticity: Twilight Zone DVDs, Electrolux vacuum cleaners (I've had one and trust me: You want a fake one), collectible plates worth $1, dildos ...

  6. Philatelic expertisation - Wikipedia

    en.wikipedia.org/wiki/Philatelic_expertisation

    Philatelic expertisation is the process whereby an authority is asked to give an opinion whether a philatelic item is genuine and whether it has been repaired or altered in any way. Forging and faking, regumming and reperforating of stamps is common in the philatelic marketplace, and increasingly buyers demand an expert certificate before ...

  7. Authentication - Wikipedia

    en.wikipedia.org/wiki/Authentication

    Signed sports memorabilia is usually accompanied by a certificate of authenticity. These external records have their own problems of forgery and perjury and are also vulnerable to being separated from the artifact and lost. In computer science, a user can be given access to secure systems based on user credentials that imply authenticity. [6]

  8. Provenance - Wikipedia

    en.wikipedia.org/wiki/Provenance

    The term provenance is used when ascertaining the source of goods such as computer hardware to assess if they are genuine or counterfeit. Chain of custody is an equivalent term used in law, especially for evidence in criminal or commercial cases. Software provenance encompasses the origin of software and its licensing terms. For example, when ...

  9. Use AOL Certified Mail to confirm legitimate AOL emails

    help.aol.com/articles/what-is-aol-certified-mail

    AOL may send you emails from time to time about products or features we think you'd be interested in. If you're ever concerned about the legitimacy of these emails, just check to see if there's a green "AOL Certified Mail" icon beside the sender name.