Send us a message. What’s ending soon? Sc 1b Orange-Brown Used 5c Imperf Four full margins. Here are our other live listings. The item “US 1847 Imperf 5c Orange-Brown #1b Used Cat val $750″ is in sale since Monday, June 06, 2016. This item is in the category “Stamps\United States\19th Century\ Used”. The seller is “postage-dues” and is located in Birmingham, Alabama. This item can be shipped worldwide.