Item comes with a COA with. Matching hologram numbers, one on COA one on. Check out our store for so much more!The item "David Crosby Signed Crosby Stills Nash Autograph COA" is in sale since Saturday, November 4, 2017. This item is in the category "Entertainment Memorabilia\Autographs-Original\Music\Rock & Pop\Photographs". The seller is "graphs-4-u" and is located in Chicago, Illinois. This item can be shipped worldwide.