Proof of Authenticity (PoA) proves that the product(s) being sold is authentic; it refers to a paper trail that shows the origins of a product. PoA can refer to invoices showing where a product originally came from or a Certificate of Authenticity and is only required for at-risk products such as designer items and diamond jewelry.


Example 1:

Invoice(s) showing where a product originally came from


Example 2:

A Certificate of Authenticity showing that a product has been verified