Manufacturers Hanover

Manufacturers Hanover was borne out of Brooklyn. This particular mark includes M + H + Brooklyn Bridge.

A bit about Manufacturers Hanover:
(from Wikipedia)

Manufacturers Hanover Corporation, was the bank holding company formed as parent of Manufacturers Hanover Trust Company, a large New York bank formed by a merger in 1961. After 1969, Manufacturers Hanover Trust became a subsidiary of Manufacturers Hanover Corporation. Charles J. Stewart was the company's first president and chairman.

The corporation acquired the former Union Carbide Corporation headquarters at 270 Park Avenue, and though it merged into Chemical Banking Corporation for $1.9 billion in 1991, the successor corporations down to today's J.P. Morgan Chase & Co. have continued to locate their headquarters in that building.