About 1/2" sterling silver

Bank of America, National Trust and Savings Association (NT&SA) was the primary banking subsidiary of BankAmerica Corporation before it merged into Bank of America, N.A. in 1998

The frigate USS Portsmouth was chosen as an early logo for the institution by its founder, Amadeo Giannini. This was done to honor the ship's historic role in the 1846 seizure of San Francisco (then Yerba Buena), which secured California during the Mexican-American War.