World Fairs or International Expositions are large-scale exhibitions highlighting technology, agriculture, and other innovations of national or cultural significance. The Chicago Century of Progress International Exposition was held along Lake Michigan and Northerly Island Park from May 27, 1933 to October 31, 1934. The collection consists of forty-five identical gummed stickers. The stickers feature an image of an approaching Pennsylvania Railroad locomotive.

The Century of Progress International Exposition was held along Lake Michigan and Northerly Island Park in Chicago, Illinois, from May 27, 1933, to October 31, 1934. The theme was "Science Finds, Industry Applies, Man Conforms." This collection consists of two items from the Exposition. One item is a folded card containing five sets of sewing needles and a threader. The second item is a set of eleven souvenir cards from Ripley's Believe It Or Not Odditorium, with the original envelope and booklet.

World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. These fairs are open to the general public and can run for three weeks to six months. This is a small collection of ephemera from various World's Fairs.