The Vintage 1960's Call for Savings Baby Bank book Metal Coin Bank by The Zell Co. is a unique collectible item that serves as both a functional coin bank and a charming decorative piece. With its original design and metal construction, this still bank features a thickness of 1 inch and measurements of 4.5" x 3.25". Perfect for collectors of vintage items or those looking to add a nostalgic touch to their home, this Zell Co. baby bank is sure to be a conversation starter.