The product is an 8×10 promo photo featuring a signed autograph by Dave Grohl, the lead singer of the rock band Foo Fighters. The photo has been verified with a Certificate of Authenticity (COA) and is officially licensed by Rolling Stone magazine. This unique piece of music memorabilia would be a valuable addition to any music fan’s collection, showcasing a genuine signature from one of the most iconic figures in the rock and pop music industry.