AutographCOA.com (ACOA) is an authentication, grading, and appraisal service who specializes in modern celebrity, music, and political autographs. Leading Authenticator Justin Steffman brings his 20 years of autograph experience to head the ACOA expert team, who themselves have obtained over 250,000 autographs in person and have hundreds of years of combined experience in the fields of autographs, authentication, and appraisal.
ACOA's proprietary authentication and analysis tools allow for consultants to review submissions independently with source hidden and without bias, against the world's most accurate signature exemplar pool in existence.
Authenticators and consultants for ACOA include many of the industry's most respected members. Company CFO Michael Kasmar and VP Tyler Manninen act as Top Tier Analysts. 30 year veteran John Brennan, 30 year veteran Bjarne Soderholm, 30 year veteran Garry King, 20 year veteran Jeff Stenzel, 40 year veteran Star Wars expert Pete Chuka, 30 year veteran Anthony J. Risi, and other autograph all-stars act as consultants.