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 RR Auction, James Spence Authentication (JSA), Sportscard Guaranty Authentic (SGC), PSA/DNA Authentication as well as many other reputable dealers and collectors worldwide.