This Poster is authenticated by BAS/Beckett and includes their Tamper-proof numbered Hologram. Both Christopher Lloyd and Michael J. Fox hand signed this poster at private signings in 2021 and were witnessed by a Beckett Authentication Services representative. Please view my other listings for more Back to the Future items signed by Michael J Fox and Christopher Lloyd.We welcome any questions, concerns, or queries you may have. Best Authentics is a leading sports memorabilia and collectibles retailer located in South Central Pennsylvania. We have specialized in supplying quality authentic products to collectors for over 20 years and continue to update our inventory frequently with new and exciting items. This item is in the category "Entertainment Memorabilia\Autographs-Original\Movies\Other Orig. The seller is "livehorn" and is located in this country: US. This item can be shipped to United States, Canada.