On Face Of Card In Black, "15. Main Floor View. New York Aquarium, Copr. N. Y. Zoological Society." On The Reverse In Blue "New York Aquarium Open Daily. Free. 9 A.M. To 5 P.M. April To September 9 A.M. To 4 P.M October To March. Reached By Elevated, Su Coloured post card of the interior of the New York Aquarium, at Battery Park.The post card is unused.