***Auction Highlight*** 1939-s Oregon Trail Old Commem Half Dollar 50c Graded GEM+ Unc By USCG. Up for Auction is the key date for the Oregon Trail Commemorative, the 1939-s. The Oregon Trail, one of collectors favorites in the entire old Commemorative series was made in 1926, 1928, 1933, 1934, 1936, 1937, 1938 and 1939, in al three mints (not in every year), a total of 14 coins represent the entire Oregon trail collection. Of these 14 date/mm combinations, the 1939 Is the scarce Date of the series and the San Francisco ssue of 1939 is the absolute “Chase Coin” of the series. A Corey's Pick, Bid to Win Coin