Genuine COA

Genuine COA Follow us on Twitter - (www.twitter.com/GenuineCOA)

Founded in 2012, Genuine COA exhibits at fan conventions and signing events throughout the country to provide 3rd party, first-hand witnessing of signatures, and offer a Certificate of Authenticity with website registration for the autograph details. Genuine COA provides third-party witnessing for the signing of memorabilia, issues an exclusive Certificate of Authenticity with a unique serial numb

er to memorialize the event and maintains information about the signing in an online database, searchable by the assigned serial number.

GCOA autograph witnessing will be available from the Gabe’s Cave booth, for signatures happening at ICT Comic Con and Sc...
08/22/2026

GCOA autograph witnessing will be available from the Gabe’s Cave booth, for signatures happening at ICT Comic Con and Science Fiction Expo , August 29-30.

Be sure to look for Collectors Choice Comics at Mad Monster Party this weekend, where they will be offering Certificate ...
07/09/2026

Be sure to look for Collectors Choice Comics at Mad Monster Party this weekend, where they will be offering Certificate of Authenticity service for signatures happening at the event!

If you stop by the Genuine COA booth at Washington State Summer Con, be sure to thank these fine folks who are working ...
06/20/2026

If you stop by the Genuine COA booth at Washington State Summer Con, be sure to thank these fine folks who are working so hard.

Washington State Summer Con is offering Certificate of Authenticity service all weekend. Hope to see you there.
06/19/2026

Washington State Summer Con is offering Certificate of Authenticity service all weekend. Hope to see you there.

Certificate of Authenticity service will once again be provided for signatures happening at Washington State Summer Con ...
06/04/2026

Certificate of Authenticity service will once again be provided for signatures happening at Washington State Summer Con ! Get your tickets now.

06/04/2026
Look for Collectors Choice Comics at Phoenix Fan Fusion!
06/03/2026

Look for Collectors Choice Comics at Phoenix Fan Fusion!

THIS WEEKEND we will be attending Phoenix Fan Fusion (BOOTH: #1658/1660) along with our good friends from Variant Supply Co. and featuring amazing variant cover artist Martin A Zavala! Martin will have is full airbrush setup at the booth, so you can see his commission work LIVE! Martin will be signing all 3 days! PLUS, store exclusives, guest artists, signature witnessing & authentication via Genuine COA and more! If you're attending be sure to stop by and visit!

HOUSTON!! The rain has stopped and the skies are clear. Hope to see you at Comicpalooza this weekend.
05/23/2026

HOUSTON!! The rain has stopped and the skies are clear. Hope to see you at Comicpalooza this weekend.

An announcement from our friends at Collectors Choice Comics!
05/15/2026

An announcement from our friends at Collectors Choice Comics!

**PLEASE READ!**THIS IS A PRE-ORDER ITEM TO SUBMIT YOUR OWN BOOK FOR WITNESSED SIGNATURE. BOOK NOT INCLUDED.Signing package base-price includes the following:1x Brett Bean Witnessed Signature1x GenuineCOA (GCOA) Signature Authentication + Online Registration(Signed book is placed in Mylar bag &....

Address

1301 E Debbie Lane, Ste 102 #706
Mansfield, TX
76063

Opening Hours

Monday 10am - 5pm
Tuesday 10am - 5pm
Wednesday 10am - 5pm
Thursday 10am - 5pm
Friday 10am - 5pm

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