This Clean Bandit autographed Promotional Photo 8×10 has been personally hand-signed by Clean Bandit. This item was signed with a sharpie or paint marker to insure a great looking autograph. This item is guaranteed 100% authentic. Don’t let your chance to own a great piece of memorabilia get away. Signed by: Grace Chatto; and Milan Neil Amin-Smith All of our memorabilia comes with a Certificate of Authenticity and Tamper-Evident Hologram. All memorabilia is guaranteed to pass any third party authenticator.