Rare Mack Truck Bulldog Christmas Tree Pin Brooch

This is a rare vintage Christmas tree pin with the Mack Truck bulldog. This is a bookpiece pin featured in Mary Morrison's Christmas jewelry book. The bulldog is positioned on top of an antique toned tree with small multi-colored stones and simlulated pearls throughout the branches. A small star is on top with a small blue stone and the tree stands in a smartly detailed pot. This pin is in excellent condition. Unmarked. 2 1/4" by 2".