Forever! I redeemed one last year from a 2010 Topps, just got it a few months ago. When I received it, I was trying to figure out who sent it to me. Then realized what it was.
Collect GU/AU of Biggio, Berkman, and Oswalt. Also interested in any Astros/Rangers GU/AU cards. Thanks!
Updated: 7/12/2011
Collecting: 2011 Topps Comm Patch, have 37/100
Updated: 7/12/2011
Collecting: 2011 Topps Comm Patch, have 37/100