Hello and Welcome to PrimeTimeSignatures! DETAILS ABOUT THE ITEM. Signature By: SHARON STONE. COA: Beckett COA & Hologram. Prime Time Signatures is dedicated in providing 100% authentic autographed memorabilia and collectibles by obtaining all our autographs in person by Prime Time Signature’s staff. To verify the authenticity of your autographed item all items can be viewed through their unique certification number on our website. This number can be found on the item’s Certificate of Authenticity as well as the tamper-proof hologram affixed to the item. Please Read All Photos Printed On the Highest Quality Professional Photograph Paper at a professional photograph lab. Copies of all proof photos are available upon buyers request. Prime Time Signatures Bio. We are based out of NYC and make several trips to Los Angeles, and Las Vegas locations in which celebs, musicans and athletes are constantly. We live and travel to where these celebrities are and obtain all signatures in-person. This is how we can assure you all of our items are 100% authentic, again, all items are obtained by our staff in-person. Zero signed items are ever bought from any second hand individual. All of our items come with Certificate of Authencities in which we issue.