Several buttons were found during the 1991 excavations at the Hollenberg Pony Express Station in Washington County. One button fragment is made of shell and the rest are glass. The Hollenberg Pony Express Station was added to the National Register of Historic Places in 1966, and earlier as a National Historic Landmark in 1961.
Kansas Memory
Kansas Historical Society
Hollenberg Pony Express Station Buttons, 14WH316 - 2