Ronaldinho Signed Soccer Ball FC Brasil Barcelona Barca Beckett BAS COA. This Ronaldinho autographed Soccer Ball has been personally hand-signed by Ronaldinho. Like all pieces on our site, this item is guaranteed 100% authentic. Value will likely increase so take advantage of this. It comes fully certified with a Beckett BAS Certificate of Authenticity. We also carry additional Soccer Memorabilia and other Brasil Autographs.