zarelli logo.png
 

A passion for authenticity.

Professional and accurate authentication of space and aviation autographs.

 

 

What Zarelli Space Authentication offers...

Steve Zarelli Space Authentication provides professional authentication of astronaut, cosmonaut and aviation autographs. With nearly 20 years experience in collecting space and aviation autographs, you can be assured of accurate and impartial opinions. In my years in the space and aviation autograph hobby, I have built a reputation of being a conservative analyst, passionate and ethical.

Steve Zarelli Space Authentication provides autograph authentication consulting services to individual collectors, dealers and organizations, including:


What trusted dealers and collectors say about Steve Zarelli...

Steve Zarelli has been a trusted space authenticator for me — as well as many others — for over a decade. He has a long history of having a keen eye and rooting out fakes. Steve’s insight and articles have been an asset to the collecting community, and he was instrumental in uncovering a large Neil Armstrong forgery ring.

I can without hesitation endorse Steve Zarelli as an authenticator for all of the above reasons, and can speak of his integrity that is of the highest calibre.
— Al Hallonquist, UACC Director, Aerospace Historian and Author, former agent to several astronauts
Steve Zarelli is the only person I trust to give me an honest, informed and reliable opinion on astronaut autographs. I’ve tried them all and he’s the best by a wide margin.
— Jason Brennan, Indiana
Steve’s expertise has saved me from making bad purchases on several occasions. He provides fast and friendly service and is always willing to answer questions. I trust Steve Zarelli’s opinion over any other authenticator presently in service. Period.
— Marty Peters, Wisconsin
Steve Zarelli has proven to me many times over that his business ethics are pristine. I choose to exclusively do business with those that provide exactly what is advertised… and Steve is at the top of my list for that very reason. Steve Zarelli’s authentication skills seem unmatched in the industry, his prices are fair and he returns my items on time, every time.
— Jason Rubin, New Jersey