License, verbatimUS-PD
The New York Public Library states no known U.S. copyright for this item. Pinax admits it as US-PD only because the work predates 1900, making public domain near-certain worldwide; status outside the U.S. is not asserted and reuse elsewhere is the user's responsibility. Credit: From The New York Public Library.
Map of the City of New York, 1856 / engrd. for D.T. Valentine's Manual 1856 by G. Hayward, 120 Water St., N.Y.. 1856 (from title). The New York Public Library.