The Vintage Kenwood TH-D74 Dayton 1999 Lapel Pin is a collectible item that falls under the theme of advertising. This lapel pin likely features the logo or branding of Kenwood, a well-known audio equipment manufacturer, and was created to commemorate their presence at the 1999 Dayton Audio Fair. Perfect for pin collectors, audio enthusiasts, or fans of retro advertising memorabilia, this lapel pin showcases a piece of history from the audio industry.