This Game Used Colby Rasmus Bat was used and cracked on 5/30/2008. This has been authenticated by JSA on 6/11/09. According to the seller I purchased this from, Colby used this bat on 5/30/08 and dated and signed it on that day in Des Moines, Iowa when Memphis played Iowa in AAA. Colby went 1 for 4 on that day and broke the bat when he singled to right field. Colby wore #8 as signed on the bat. Colby was batting .203 for Memphis on that date. Authenticated by JSA.