TWO Washington - 1870 - USED 3c Green Stamps - Scott# 147 For avid stamp collectors, here's a set of two United States stamps featuring George Washington from the year 1870. These stamps are a great addition to any collection and come with a rich history. The stamps are of good quality and have been previously used. They are green in color and have not been graded or certified. The stamps were issued in the United States and are a perfect choice for collectors interested in stamps from the 19th century.