Questionable Mariano Rivera

Check out this photo signed and certed by JSA. None of my Mo's look like this.  Just an M a and straight line... What you all think? http:/…

Started by Tyler Johnson

Andy Pettitte opinion? Also a Rivera and Mattingly

This Andy Pettitte looks authentic to me, but I could be wrong. The seller also has these for sale.  I'm not familiar with Don Mattingl…

Started by Mike P

Mariano signed ball - authentic?

Seller says it was acquired at a game at Camden Yards.  i can ask for a better picture if this one isn't enough to determine. thanks.

Started by David S

Steiner Rivera

Can't tell if this looks a little off or not, but of course I am not well versed like you guys. The R has me questioning. Help?

Started by DJ

Mariano Rivera Autographs

I Bought both of these back before he retired. they look ok, but I wanted a opinion from fellow enthusiasts  Included are the two that i ow…

Started by Ryan Paul

Purchased this today. What you all think?

Started by Erich Jerozal

Mariano Rivera Autographed Baseball Forgery With Steiner Sports COA Ebay Seller Powerseller727

Check out this Mariano Rivera forgery on a baseball. Not only is it a putrid-looking Mariano Forgery, but Ebay seller Powerseller727 is sel…

Started by Christopher Williams

I Thought everyone would get a good laugh at these Baseballs currently listed on eBay

Supposed to be Mariano Rivera http://www.ebay.com/itm/MARIANO-RIVERA-AUTHENTIC-HAND-SIGNED-BASEBALL-NEW-YORK-YANKEES-MLB-CHAMPION-/2713266…

Started by Jason D

Ebay Mariano Rivera

Please advise, I am in the market for a MO and came across this gem but it has not been authenticated. Ebay: 251378476901 http://www.ebay.c…

Started by Tyler Johnson