This is for a vintage 1976 pinback button measuring 2 1/4" in diameter, which reads Duluth Girls State Softball Tournament, with the years 1776 and 1976 (celebrating the nation's bicentennial), along with "Softball is my bag" with art of a girl catching a softball in a paper bag.

Pin has a few light spots showing through the white.  Back side of pin has some tarnishing.