Trusted since 2018

The experts behind every
AutographCOA certification

ACOA was founded by lifelong collectors, for collectors. Our authenticators and consultants bring centuries of combined, hands-on experience to every submission — backed by direct knowledge and an extensive exemplar pool.

2018Founded by Justin Steffman

1,000,000+Autograph exemplars

30,000+Autograph collector community-based

100+Countries served

About AutographCOA

Launched in 2018 by Justin Steffman — creator of the Real Autograph Collectors Club (RACC), the leading online community of autograph collectors, enthusiasts, and fans worldwide.

Photo · In person

Justin with Les Paul, the inventor of the solid-body electric guitar.

Justin Steffman

CEO & Lead Authenticator

40,000+ lifetime autographs obtained

Justin Steffman is a lifetime autograph enthusiast and leading authenticator with over 25 years of experience in the field. Justin is passionate about helping the collecting hobby and approaches every authentication with great care and diligence.

Born in Connecticut, Justin began meeting stars and obtaining autographs in person as a teen before relocating to New York City. Over the span of nearly two decades, Justin collected autographs in nearly every State and major city nationwide. He has personally met and obtained autographs from the majority of legends in music and Hollywood during his pursuits, and thousands of other famous people; ranging from reality stars to U.S. presidents.

Justin was featured on Paul McCartney's Back in the U.S. tour documentary, has made appearances on A&E and Fox television, and once appeared on the cover of both the NY Post and the NY Daily News while pursuing autographs.

Justin is the co-founder and lead moderator of the Real Autograph Collectors Club (RACC), an online community of in person autograph collectors and sellers with 30,000+ members in over 100 countries. Justin has also worked extensively as a celebrity photographer and his images have been featured throughout entertainment and news media, including Rolling Stone magazine, the Today Show, SNL, People magazine, and even in feature films. He is also a YouTube Silver Button award recipient with over 200 million video views.

Some of Justin's most memorable autograph experiences include touring coast to coast for Paul McCartney and Simon & Garfunkel, hanging out with Willie Nelson on his tour bus, and spending a day backstage with the Beach Boys.

Today, Justin resides in Connecticut with his teenage son, and acts as the Lead Authenticator and CEO of AutographCOA, while traveling globally to authenticate autographs throughout Europe and the United States. He is a proud father, web entrepreneur, occasional celebrity photo/videographer, and lifelong pop culture aficionado.

Our Authenticators

A core team with decades of in-person collecting experience across music, film, and political fields.

Bjarne Soderholm

Authenticator · Music & Film

10,000+ lifetime autographs obtained

Bjarne Soderholm has spent over 30 years (since 1984) obtaining autographs in person throughout Sweden, Denmark, and the States. Bjarne's primary focus has always been on music and movie stars.

Bjarne's personal favorite collecting highlights include getting Def Leppard on a plane between Stockholm and Gothenburg in 1988, and his achievements over the years with Bob Dylan, Paul McCartney, Kurt Cobain, and Madonna.

Now residing with his family in Florida, Bjarne brings a great deal of expertise to the AutographCOA authentication team, and continues to collect in person autographs presently.

Jeff Stenzel

Authenticator · Historical & Presidential

10,000+ lifetime autographs obtained

Jeff Stenzel has been researching and collecting autographs and memorabilia for most of his life. His hobby has taken him all over the country. Jeff is an avid collector of historical, presidential, film, musicians, and sports autographs and has collected thousands of in person signatures over a period extending more than 20 years.

Jeff has a deep passion for filmmaking and history, and has authored a book about his pursuits and traveling, Beyond The Red Carpet. He currently resides in the Chicago area with his wife Tiffany.

Expert Consultants

Specialists we call on for their deep, category-specific authentication expertise.

Corey Moylan

Consultant · Pink Floyd & Classic Rock

Corey Moylan is a Chicago-based classic & modern rock autograph expert with decades of experience. Corey is especially renown for his Pink Floyd expertise, as the founder of Floyd Authentic; the go-to Pink Floyd authentication service for top auction houses.

In addition to monitoring, discovering, and documenting forgery trends across all major marketplaces, Corey is also a key moderator in RACC, the world's largest entertainment autograph community online.

When not studying signatures, Corey enjoys international travel, and often escapes Chicago city life out on the golf course.

Steve Zarelli

Consultant · Space & Aviation · UACC Director

Steve Zarelli is the foremost authority in the field of astronaut and aviation autographs. Steve has met many of the heroes of the space race and has over 20 years' experience in collecting and studying their autographs.

Steve is an UACC approved authenticator and provides authentication consulting services to collectors, auction houses, and dealers worldwide. Steve is a UACC Director and proud recipient of the UACC's Distinguished Service Award.

Steve's findings have been published in the definitive space collecting reference, Relics of the Space Race, and he has contributed articles to numerous publications including the UACC's Pen & Quill and Autograph Times magazine. In 2017, Steve appeared as an autograph expert on Space Dealers, which aired on A&E in Europe and Australia.

Steve lives in upstate New York with his family where he is an active member of his church and community. He enjoys giving back through volunteerism.

Bob Pivoroff

Consultant · Music & Events

40,000+ lifetime autographs obtained

Bob first began obtaining music and celebrity autographs in person almost 30 years ago, in 1989. His pursuits have taken him throughout the USA.

Bob has direct experience obtaining autographs from countless legends and historical figures, including Bob Dylan, Kurt Cobain, the Stones, Nelson Mandela, the Dalai Lama, 6 US Presidents, the Beatles, and countless others. He has been an autograph staple at major events, for 3 decades, regularly covering the Grammys, the Emmys, the Golden Globes, numerous Rock & Roll Hall of Fame inductions, and the MTV Awards.

In addition to being one of the most experienced autograph seekers in history, Bob's personal collection of photos with celebrities ranks amonst the greatest of all-time, surpassing 10,000 photos with nearly every famous person possible. He is widely known amongst the autograph community and various fan communities from coast to coast.

Bob currently resides in Western Illinois with his son, and continues to collect in present day. He is an asset to the ACOA expert team.

Roland Brödner

Consultant · Europe

30,000+ lifetime autographs obtained

Based in Berlin, Germany, Roland started collecting in person autographs back in the 1980's: mostly running for local VIPs.

Roland's passion and devotion to collecting music and celebrity autographs has taken him around the world. Through his work ethic and great sense of integrity, he has earned a reputation as a premiere memorabilia dealer in Europe for over 10 straight years.

When not out collecting, Roland helps to organize the annual Comic Con Europe GmbH in Germany, and frequently contributes his expertise and wealth of knowledge to the AutographCOA authentication team. He is also a proud father.