1 oz Gold Bars. Proof & Mint Sets. 1935 Spanish Trail Half Commem 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. Coin comes in protective packaging. Obverse: Depicts the head of a cow (a literal translation of the explorer’s name). Reverse: Depicts a yucca tree and a map showing the path of the Old Spanish Trail. Light toning adds to this coin’s originality. Protect and display your Old Spanish Trail Half Dollar in style by adding an attractive display or gift box. Add this 1935 Old Spanish Trail Half Dollar commem to your cart today! Silver half-dollar commemorates the 400th anniversary of the Cabeza de Vaca Expedition through the Gulf states in 1535. The explorer’s name literally translates to head of a cow, which is the main motif on the obverse. The reverse shows the route of the expedition and a yucca tree. This coin is in Almost Uncirculated condition. This is not a photo of the actual item.