The Maine Centennial Half Dollar was authorized by Congress to celebrate the 100th Anniversary of Maine’s Statehood. At the time of release, there was a fair amount of criticism leveled at the design, which was based on the state arms.
The maximum authorized mintage for the coins was 100,000 pieces. Initially, the coins were intended to be issued into circulation at face value, but ultimately the coins were sold by the Maine Centennial Commission to the public for $1 each. The Philadelphia Mint produced 50,028 coins, with the unsold quantity retained by the Maine State Treasurer, rather than melted.