1935 Old Spanish Trail Half Dollar MS-66 PCGS Half Dollar MS-66 PCGS 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. Coin Highlights: Contains .3617 oz. of Silver. PCGS encapsulation protects the condition of the coin as MS-66. Obverse: Depicts the head of a cow (a literal translation of the explorer's name).