The authenticity can be verified on Beckett Authentication Services website. We offer autographed memorabilia only from the top, reputable, leading suppliers of authentic sports memorabilia. The companies that authenticate these items include Professional Sports Authenticator (PSA/DNA), James Spence Authentication (JSA), Steiner Sports, Upper Deck, Mounted Memories, and Tri-Star Productions. All autographed items come with a Certificate Of Authenticity (COA) from these suppliers that include a hologram on the item.The item "David Gilmour Pink Floyd Best Wishes Signed Cassette Tape Insert BAS #A70588" is in sale since Sunday, July 29, 2018. This item is in the category "Entertainment Memorabilia\Autographs-Original\Music\Rock & Pop\Records". The seller is "presspasscollectibles" and is located in Scottsdale, AZ. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia, South africa, New Zealand.