1 oz Gold Bars. Proof & Mint Sets. 1936 Arkansas Centennial Robinson Half Commemorative BU. Photos in this listing may or may not be stock photos. The photos are meant to be an indication of the product you will receive. 3617 oz of Silver. Comes in protective packaging. Mintage of only 25,265. Obverse: Features the image of Joseph T. Robinson, Democratic senator from Arkansas, a living individual who was well known at the time. Reverse: Depicts an eagle. Protect and display your Arkansas Centennial Robinson Half Commemorative in style by adding an attractive display or gift box. Add this 1936 Arkansas Centennial Robinson Half Dollar to your cart today. This is not a photo of the actual item.