Commemorative Gold & Silver. Mint & Proof Sets. Sign Up for Our. 1921 Commemorative MISSOURI Half Dollar 50c NGC AU Detail #008 About Unc ECC&C. Up for your collection is a 1921 Missouri Commemorative Silver Half Dollar NGC AU Details!! If additional pictures are needed, just simply ask us!! Thanks for looking and be sure to follow us for more great deals weekly! Questions about this item? We reserve the right to cancel order(s) thereafter. We do reserve the right to refuse if order is tampered or altered in any way. Our customer service team will be more than happy to assist you in this process if necessary! With an order item number to expedite the process. This is due to the constant market fluctuations. Our #1 goal here at East Coast Coin & Collectables, Inc. Is to provide quality items at affordable prices with fast turnaround and top notch knowledgeable & friendly customer service!! We work hard each day to provide all the above! We welcome your inquiry! To contact one of our friendly & knowledgeable associates, and we will get back to you as quickly as possible. East Coast Coin & Collectables Inc.