Interested in hearing about any gems that people may have picked up whilst scouring the shelves of second hand stores, thrift shops, markets etc. I picked up this Duff McKagan autobiography this week only discover it was signed for 4 Euro ($5) in my local second hand book shop (Sure it's dedicated, but I don't mind!). And a while back a Neil Gaiman - Anansi Boys 1st edition signed book that I discovered for 1 Euro ($1.35). They weren't advertised as signed, just stuck in with other books and…

At Steve Zarelli Space Authentication, I review thousands of autographed astronaut photos every year. Also, as a collector for over 15 years, I have seen many, many more.

So what is the most valuable and desirable single signed astronaut photo? Most people would probably assume it is a photo signed by Neil Armstrong. Armstrong unpersonalized white space suit portrait photos with a strong signature can fetch $5,000+. In a RR Auction Space Auction last fall, this…

As some of you know, my name is Steve Zarelli and I am an astronaut , cosmonaut and aviation autograph authenticator for RR Auction, JSA, SGC as well as dealers and collectors worldwide. I have been studying Neil Armstrong autographs for over…