There are a number of things that are required in order to write a certificate of authenticity. You should have all the relevant details and most importantly have a seal or a stamp which makes it authentic.
COA is an acronym that stands for Certificate of Authenticity.
Your answer depends on who issued the 'certificate of authenticity'. The certificate may authenticate the design, the metal, or the gem stone.
Information available on the internet suggests that if the owner of a certificate of authenticity for an autograph was to sell a famous autograph then it would fetch far more if sold with a certificate of authenticity than an autograph that was sold without one.
Whether or not a ring comes with a Certificate of Authenticity depends on the policy of the jeweler selling the ring. However, if you want a certificate of value for your ring, it is easy to take it to a jeweler and have it assayed.
COA stands for Certificate of Authenticity.
Yes - the tefillin will have a certificate of authenticity.
have you tried ebay
Proof coin sets always include a certificate of authenticity. Do not purchase a set that doesn't have this! You should always purchase your coins and collectibles from a reputable source. In most cases you should receive a certificate of authenticity.
i lost my certificate of authenticity for my tag watch in a house fire, can i get another copy and at what cost?
need to tract down a painting from hhargrove with a certificate number 606381.
it depends if you have a certificate of authenticity (COA)
Most of the time, it should come with the item that you purchase