Keywords: BenFranklin 1857 issue-1c.jpg en US Postage stamp Benjamin Franklin issue of 1857 1c blue Scott type 1a Gwillhickers http //arago si edu/index asp con 2 cmd 1 id 159749 Smithsonian National Postal Museum US Post Office 1857-04-19 PD-USGov Stamps of the United States 1850-1859 Benjamin Franklin on stamps Blue stamps |