49ers Joe Montana Signed 2007 SPX Materials #WMSJM Card Auto GM 10! BAS Slabbed

This Autographed Auto Grade Gem Mint 10! 2007 SPX Winning Materials Stat #WMSJM Card has been Personally Signed by Joe Montana of the San Francisco 49ers. This item is 100% Authentic, it comes slabbed and authenticated by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website.