This antique 7" ruler from the American Pencil Company is a gem of a collectible item. It features a history timeline of the company's school advertising efforts and is sure to be a prized possession for any collector. The ruler is made of high-quality materials and showcases the brand's commitment to excellence. With its intricate design and attention to detail, this item is a must-have for anyone interested in vintage writing instruments. Don't miss your chance to own a piece of history with this American Pencil Company ruler.