Why pay more than $20 per Autograph?
No hidden fees, no premium fees and no gimmicks.
Easy as 1-2-3
Our hassle free streamlined process makes authenticating your items a breeze.
Onyx Certified COA’s are already trusted and accepted by collectors and dealers worldwide.
Our Certificates are printed on multi-level watermarked stock that is virtually impossible to replicate.
Our Authentications are $20 per Autograph? No hidden fees, no premium fees and no gimmicks.
Once received, your items are authenticated and shipped back to you within 10 business days.
Need to verify a certificate? Anyone can verify certificates 24/7 online at onyxcoa.com
WHY PAY MORE?
An autograph is an autograph. Onyx Authentication believes that the collecting consumer comes first. That’s why our authentication service has no tiered pricing and no hidden fees. You’ll just pay $20 per signature authentication.
Onyx Authentication the most reliable, timely, affordable and cost effective
choice for all your authentication needs…
Trusted by thousands of collectors, Onyx Authentication Services increase the value of your pieces and generally end up selling for more than any other service.