Santini green jersey, signed by Sir Mark Cavendish. Exclusive Memorabilia unconditionally guarantees all signed items are genuine. The item will come with a certificate of authenticity showing the celebrity at the autograph session. The certificate features a numbered hologram that matches an identical hologram affixed to the product. Exclusive Memorabilia is the UK's most trusted brand of sports and entertainment memorabilia, supplying Premier League football clubs, leading cruise lines and charities with their memorabilia for sale and auction. Exclusive Memorabilia has organised signing sessions with the world's biggest celebrities and sportsmen including Cristiano Ronaldo, Pele, Bruno Fernandes, Kevin De Bruyne, Eric Cantona, Dennis Bergkamp, Jonny Wilkinson, Martin Johnson, Geraint Thomas and Anthony Joshua. All signatures are originals they are never printed. The product image and signing image are stock photos so the position of signatures might vary slightly.