Promotional pin for the Seneca Park Music Festival, July 21, 1910. An image of a musical harp is featured in the center of the pin, and a small United States flag is attached to the bottom. , 1910

This collection consists of late 19th Century and early 20th Century pins related to Rochester New York. The material was collected by L. Warren Patterson of Spencerport, New York. The collection consists of pins and medals related to Rochester businesses, clubs, fraternal organizations, schools, special events, political campaigns, and veterans organizations. Other kinds of ephemera are also found in the collection, such as a shoehorn. Many of the pins were also manufactured in Rochester.