Fifteen Fifty State St. v. Chicago

This case involves the validity of a 1956 amendment to the Chicago zoning ordinance which rezoned certain property now owned
by Cosmopolitan National Bank, as trustee, from Volume 3 to Volume 4 residential usage. The action was commenced in the circuit
court of Cook County by Fifteen Fifty North State Building Corporation on June 21, 1956, as a suit for injunction and declaratory
judgment.