Official Website: https://to.pbs.org/3f5Lkw3 | #AntiquesRoadshow Check out the mind-blowing updated value on this treasure made by the master of the mobile, Alexander Calder! Watch the full "Let's Celebrate!" special episode now: https://youtu.be/29IJQjbpMoE. Watch more full-length episodes of ANTIQUES ROADSHOW at https://to.pbs.org/3f5Lkw3 or on the PBS Video App: https://to.pbs.org/2QbtzhR. FOLLOW ANTIQUES ROADSHOW: Facebook: https://www.facebook.com/RoadshowPBS Twitter: https://twitter.com/RoadshowPBS/ Instagram: https://www.instagram.com/RoadshowPBS/ TikTok: https://www.tiktok.com/@roadshowpbs #AlexanderCalder #CalderMobile