You could take it to a professional who studies autographs and get him to confirm that it is the genuine article.
Right now, we don't certify memorabilia but there are some companies around the world that do offer that service. We recommend researching that part of the industry and picking a service that is trusted and respected.
Somewhere between $15 and $25 assuming you have a LEGITIMATE certificate of authenticity.
There are many companies online that offer authentic memorabilia, whatever you do make sure you get a signed certificate of authenticity. Check out my favorite shop at: http://www.authenticsportscollectibles.com/ There are quit a few online sites that offer authentic football memorabilia. The most trustworthy site is probably www.NFLAuction.NFL.
COA is an acronym that stands for Certificate of Authenticity.
Any sports memorabilia that is legit will come with a verification license signed by an agency that versifies autographs and the authenticity of items. Companies that sell "licensed" products and memorabilia must provide this authenticity with the product they are selling. If you are looking to purchase sporting good memorabilia
Your answer depends on who issued the 'certificate of authenticity'. The certificate may authenticate the design, the metal, or the gem stone.
The service you are looking for is a valuation expert or sports memorabilia appraiser. You can find plenty of businesses offering this service like Heritage Sports Collectibles. You should ask for a certificate of authenticity when you have your collectibles assessed.
It's difficult to be 100% sure about authenticity of any memorabilia online. For online auctions, look for feedback on the auction house or seller as well as carefully view the descriptions and pictures of items up for sale.
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.
The cushion would have an approx. value of $15.00 - $25.00 at auction. If you are interested in vintage hockey memorabilia, please visit my web site at: It features old hockey team photos, hockey autographs and game used hockey memorabilia.
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.