REPUBLICAN NATIONAL CONVENTION PHILA. JUNE 19TH 1900. (McKinley & Roosevelt)

Pinback button from the 1900 Republican National Convention in Philadelphia promoting William McKinley for president and Theodore Roosevelt for vice president.  1 1/4" cello in excellent condition made by PENN. BUTTON WORKS PHILA (stamped on the tin back).  The few of these that have turned up over the years almost always have condition problems.  This example is in excellent condition and very rare.