Final price on Mack Truck Virgo Mid-Liner Bulldog Tie Tack/Lapel Pin 7/16" x 13/16". Probably pewter. Virgo is on the dog's collar, and Mid-Liner is on the banner at his feet. Mid-Liner is a line of trucks associated with Mack trucks. Probably from the late 1970s or early 1980s.