Keywords: Wash Frank 3c Mailometer Type 4.jpg en US Postage coil stamps with center line and Mail-o-meter Type 4 perforations U S Post Office<br/>Photo obtained from eBay by Gwillhickers<br/> eBay item 200578294063 U S Naval Historical Center Photograph 1914 PD-USGov Stamps of the United States 1911-1920 George Washington on stamps Coil stamps |