Pilgrim Commemorative Half Dollar 1920 MS 64 PCGS Silver SKU:I19886. A genuine 1920 Pilgrim Tercentenary Commemorative Silver Half Dollar Coin, graded and certified MS 64 by PCGS. This historic 90% silver half dollar commemorated the 300th anniversary of the Pilgrims’ landing at Plymouth, Massachusetts. The obverse depicts William Bradford – who governed Plymouth Colony for 30 years – holding a Bible. The reverse shows the Mayflower at sea. Most Pilgrim half dollars were issued in 1920 with no date on the obverse. Less than 12% were struck in 1921, with the date left of the portrait. The images you see are for the exact item you will receive.