Certified Express
P.O. Box 17670
Boulder, CO 80308
FAX (303) 464-0313

Certified Sports Authentication
P.O. Box 389
London, OH 43140
(740) 852-6842
Certified Sports

CTA Grading Experts, Inc.
5979 Commerce Blvd. Ste 2
Rohnert Park, CA 94928
707-586-2009

Professional Sports Authenticators
P.O Box 6810
Newport Beach, CA 92658
(949) 833-8824
PSA

Sportscard Guaranty
P.O. Box 6919
Parsippany, NJ 07054-6919
(800) 742-9212
SGC

The Final Authority
P.O. Box 5786
Winter Park, Fl 32793-5786
(407) 677-4260

Ultimate Sportscard Authority
4532 W. Kennedy Blvd. #236
Tampa, FL 33609
(813) 289-6486
USA

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