On 6/21/14 I sent a LOR to Pawn Stars and got this back today on 6/26/24. I think it may be a pre-preint, but nonetheless it's still pretty cool that I got a reply .
Address Used:
Pawn Stars
Gold and Silver Pawnshop
713 S Las Vegas Blvd.
Las Vegas, NV 89101
Autographs Received - Ron Jeremy, Pawn Stars, Steve Downes, Rick Astley, Alexey Pajitnov, Bill Nye, John Glenn, John Travolta, Danny McBride, Richard Stallman, Col. Chris Hadfield
Autographs Pending - Ellen Mclain, Gabe Newell, Bob Saget, Howard Scott Warshaw, Naoto Ohshima