These "Views of New York" poster stamps were published by Postaco around 1915-1920.
Broadway North from 42nd Str - Brooklyn Bridge - Mott Street, Chinatown - Herald Square.
Williamsburg Bridge - Statue of Liberty - Fifth Avenue, North from 42nd Str - Hudson Terminal.
Ellis Island - Bowling Green - Entrance to Central Park at 5th Ave - Wall Street.
Bankers Trust Company Bldg - Municipal Building - Grant's Tomb - Stock Exchange.
Metropolitan Museum of Art - Woolworth Bldg and City Hall Park - Battery Park, Whitehall Bldg - Entrance to Botanical Garden.