This parcel post stamp shows a steel plant.
These 8c airmail stamps show a jet airliner over the Capitol building.
This 15c airmail stamp shows a Lockheed Constellation flying over New York City near the Statue of Liberty.
This 10c airmail stamp shows a Martin 2-0-2 flying over the Pan American Union building.
This stamp commemorates the Metropolitan Opera (the “Met”) located in New York City.