Talk:Certificate of authenticity

• I would be curious to know how exactly memorabilia is certifies, who does it, etc. is it all honor system or are there some guidelines? just curious. 24.147.169.105 23:24, 27 October 2007 (UTC)matt c
  • Usually issued by the manufacturer of the product. E.g. Microsoft issue Windows Certificates.

• Recently when I asked a health food online retailer about whether their Vitamin C came from non-gmo corn, they said I could request a COA regarding this. Probably this article is too computer centric. Our food is arguably much more important. I wonder if this COA is ubiquitous through industry. Is it regulated somehow? — Preceding unsigned comment added by 171.98.99.181 (talk) 00:49, 21 October 2012 (UTC)

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