Bronze-finished metal Weatherball coin bank offered free to those opening savings accounts with $25 or more at a Northwestern National Bank in October 1959.

Weatherball on top of the Northwestern National Bank building, Minneapolis, 1950.

Installing the Weatherball on the roof of the Northwestern National Bank building in Minneapolis, 1949.

Bank tellers with customers, Northwestern National Bank, Minneapolis, ca. 1930.

Meeting room, Northwestern National Bank, Minneapolis, ca. 1930.

Entrance to the Northwestern National Bank, Minneapolis, ca. 1930

Vault, Northwestern National Bank, Minneapolis, ca. 1930.

Elevator, Northwestern National Bank, Minneapolis, ca. 1930.

Second floor interior, Northwestern National Bank, Minneapolis, ca. 1930.

Northwestern National Bank, Minneapolis, ca. 1930.