Color printed postcard captioned "Hayden Planetarium, 81st Street and Central Park West, New York City," card 56, showing the brick planetarium building with its green dome, two American flags, flowering shrubs and parked cars at right. Published by Alfred Mainzer, 118 East 28th St., New York 16, N.Y.; number 14850 on the front. Standard size, about 3.5 x 5.5 inches, divided back reading "Place One Cent Stamp Here." Unposted and unwritten, in clean used condition with light corner wear.

The back caption reads: "Located at 81st Street near Central Park is one of New York's great education attractions. Here one can see, projected by special instruments, the planets, sun, stars, and moons of the universe moving in their proper relative positions."

A nice crossover card for astronomy, science and space collectors as well as New York City collectors.