Camila Cabello Rolling Stone Magazine Hand Signed Autographed PSA/DNA COA. The Certificate Number is: AF20266. This item includes Professional Sports Authentication (AKA PSA/DNA) Certification. One of the best in 3rd party autograph authentication. The listing includes high-resolution image(s) that are an integral part of the items description. These are authentic, original, hand-signed items without exception. Unpaid items are subject to cancellation. Due to the unique nature of our items, there are no chances for a re-do; we pack well for safe arrival. All sales are final.