Set of 3. One does not come with a brass tone pin back. The Bonne Fete 300 birthday celebration Baton Rouge Louisiana lapel pin vintage 1999 is a unique souvenir pin that commemorates the milestone birthday of Baton Rouge. This vintage pin serves as a collectible item for those who have attended the event or who have a connection to the city. With its design and theme of souvenirs and travel, it is a special keepsake for celebrating this significant occasion in Baton Rouge's history.