This Autographed Dated December 3, 1951 Written To Namesake Of ASU Gammage Auditorium! 3.5x5.5 Postcard has been Personally Signed by Frank Lloyd Wright. This item is 100% Authentic, it comes slabbed and authenticated by Beckett Authentication Services.The authenticity can be verified on Beckett Authentication Services website. Press Pass Collectibles only offers Authentic Autographs by Frank Lloyd Wright through Signings, In-Person Signings or Private Collections to include a 100% money back Lifetime Authenticity Guarantee.