Sandy Koufax Cut on Perez Steele Postcard

Started by Joe Calciano

Sandy Koufax Signature Help

Hello i am looking for help on this Sandy Koufax cut/3x5. I think it looks good compared to other authenticated signatures. appreciate any…

Started by Joe Calciano

Sandy Koufax 3x5 Signature

Hi Everybody, I need some help on the authenticity of this Sandy Koufax signature on a 3X5. My first impression is that it looks good but w…

Started by Joe Calciano

Sandy Koufax 3x5

Hello i would really appreciate any and all help on whether you think this Sandy Koufax is real. I’ve checked other authenticated examples…

Started by Joe Calciano

Sandy koufax auto real or not?

Started by George Tyson

Real or No Real? Mantle, Williams, Koufax

That's right. You guessed it! I've got some Mantle, Teddy Ballgame and Koufax I'd like some opinions on.  The Koufax is from the Ron Lewis…

Started by Anthony Patterson

Sandy Koufax signed baseball

I've always wondered about this ball in my collection. No authentication. Was picked up from an estate. Was supposedly signed in the early…

Started by Matt Nystrom

Forged Mickey Mantle Baseball Ebay Silly_shelly

Here's another Ebay seller (silly_shelly) listing and selling various Guaranteed Forensic Authenticators (Stephen Rocchi and John Goraczyk)…

Started by CJCollector

At a Book Signing Should It Be Personalized or Not?

Hi Friend, I recently went to a book signing for my Forbes blog and had the author and Mets GM autograph my book. http://onforb.es/1bbmWBL…

Started by David Seideman