1925 Lexington-Concord Sesquicentennial. MS-66 (PCGS). CAC.,This smooth and satiny Gem is sure to please. This half dollar type commemorates the 150th anniversary of the battles of Lexington and Concord, the first military engagements of the American Revolutionary War. The battles were fought on April 19, 1775, and were a strategic victory for the American colonists.,From the A.J. Vanderbilt Collection. Acquired by gift from our consignors mother, late 1930s.,