Frankfurt, from the City Flags series (N6) for Allen & Ginter Cigarettes Brands 1887

"Frankfurt, from the City Flags series (N6) for Allen & Ginter Cigarettes Brands" is a trade card from the late 19th century, depicting a city flag with a white eagle on a red field, a black field, and a blue field, flying from a flagpole in front of a stylized cityscape. The image was produced by the Allen & Ginter company, known for its trade cards featuring images of city flags and various other subjects, distributed with their cigarette brand. This particular card is part of the Metropolitan Museum of Art's collection in New York City.