Mariano Rivera Autographs (38)

Discussions Replies Latest Activity

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

4 Feb 27, 2014
Reply by Null

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

20 Feb 19, 2014
Reply 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

5 Feb 2, 2014
Reply by Null

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

7 Jan 25, 2014
Reply by terrier8HOF

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

55 Jan 21, 2014
Reply by Jason D

Purchased this today. What you all think?

Started by Erich Jerozal

0 Dec 24, 2013

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

2 Dec 6, 2013
Reply by Steve Zarelli

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

Supposed to be Mariano Rivera

Started by Jason D

5 Nov 25, 2013
Reply by Christopher Williams

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

4 Nov 22, 2013
Reply by Geoffery Wallace

Mariano Rivera - Real or Fake?

99% sure that this is a nice example of his early signature.

Started by Mike Kaminski

14 Nov 8, 2013
Reply by Mike Kaminski


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