# 2 10c Black Washington imperf 1847 used stamp rg. Check out my other items. Be sure to add me to your favorites list. The item “US stamp#2 10c Black Washington imperf 1847 used stamp” is in sale since Tuesday, January 19, 2016. This item is in the category “Stamps\United States\19th Century\ Used”. The seller is “shopesiw” and is located in NY. This item can be shipped worldwide.