The certificate is dated December 19 , 1856. The company was incorporated in Maryland. The company built the toll bridge across the Patapsco River that connected Baltimore with Anne Arundel County in Maryland. The bridge became known as the Light Street Bridge. It also helped developed Brooklyn and Curtis Bay as residential areas before there were employers to provide employment. The company was later reformed to the Patapsco Land Company. Please visit my store to view other stock certificates and bonds.