The story behind the coin
On the morning of April 19, 1775, British troops marched out from Boston toward Concord to seize colonial weapons. On the green at Lexington they met a line of local militiamen — farmers, really — and somebody fired. To this day no one knows who. That single unrecorded shot became "the shot heard round the world," and the United States traces its birth to it.
A century and a half later, Massachusetts wanted to mark the anniversary in a way people could hold. So its congressional delegation pushed a bill through Congress, and on January 14, 1925, President Calvin Coolidge signed it. The law created a Sesquicentennial Commission — sesquicentennial simply means a 150th anniversary — and authorized the Mint to strike up to 300,000 silver half dollars to help pay for the celebrations.
Here is the part that makes the coin feel alive. It wasn't sold from a catalog or a coin shop. It was sold on the ground, on the day. During the battle-anniversary festivities of April 18–20, 1925, organizers moved roughly 39,000 coins at Lexington and another 21,000 at Concord — each one handed over for a dollar in a small wooden box decorated with the coin's own designs. You bought a piece of the Revolution standing where the Revolution happened.
