Last US Stamps Prices Scott 194 from the major stamp sales: 3c 1880 George Washington Bank Note Special Printing. 2015, 2014, 2013, 2012, 2011
Scotts #194 US stamps
Prices of US Stamp Scott Catalogue #360 - 1909 4c Washington
On This Day In History, July 1, 1847, The US Post Office, 42% OFF
3¢ Washington Of 1870-1881 - Stamp Community Forum
Stamp Smarter - Three Cent Banknote
US Stamps Price Scott Catalog #376: 3c 1910 Washington Perf 12
Scotts #194 US stamps
A Brief History of Stamp Collecting - Invaluable
Robert A. Siegel Auction Galleries, Inc. Sale - 968A Page 7