About Us

About MAS Autograph Authentication Services

MAS Authentication is a leading authority in Autograph Authentication, debuting in 2023 with a collective experience of over 30 years. Specializing in private signings with celebrities, on-site convention authentication, and in-store signings at comic book stores nationwide, we are dedicated to delivering unparalleled expertise and reliability in verifying the authenticity of autographs. Our commitment to excellence and extensive industry knowledge make us the trusted choice for collectors and enthusiasts seeking assurance and integrity in their autographed memorabilia.

Our Lead Authenticators


Parker Lukjanovs

As founder and a Lead Authenticator, Parker has created some of the strongest bonds with talent and talent agents around the country due to many years of private signings and convention appearances with prime specialization in the anime autograph market.


Glen Hollenhead

Glen has dedicated majority of his life to the autograph industry and has traveled the world as a major collector from NASCAR to Hollywood A-Listers. Creating strong bonds with talent and agents alike which is why Glen serves as one of our lead authenticators.


Our US Partners

Elvir Srdanovic
New York Partner
(646) 340-7122
Ricardo Soria
Midwest Partner
(313) 623-7770
Eloy Zuniga
Texas Partner
(956) 295-0711
Fred Campos
Texas Partner
(956) 780-4663
Jose Marroquin
Texas Partner
(956) 466-3604
JP Pioquinto
Washington Partner
(425) 953-7079
Ernesto Ruiz
Chicago Partner
(630) 430-5306