"Official New York World's Fair 1964-1965 Perpetual Calendar"
Metal, plastic, and cardboard box
Box: 3 x 2.5 x 2 cm (1 3/16 x 1 x 13/16 in.)
Overall: 3 1/2 x 2 1/4 x 2 in. (8.9 x 5.7 x 5.1 cm)
Silver, hinged rotating globe with date; number changes when globe is inverted; month and day of the week on base can be changed by rotating knobs in red, white, blue, and black. Red, white, and blue cardboard box depicting hemisphere with text: "OFFICIAL/NEW YORK WORLD'S FAIR/1964-1965/PERPETUAL CALENDER."
Ivan C. and Marilynn Gelfman Karp
Due to ongoing research, information about this object is subject to change.