RW72B Error Federal Duck Stamp Mini Sheet Of 1. Upto 10 items at no extra cost. Please check back soon as.I will be adding new items daily. The item "RW72B Error Federal Duck Stamp Mini Sheet. #02 RW72B" is in sale since Saturday, September 14, 2019. This item is in the category "Stamps\United States\Back of Book\Duck Stamps". The seller is "rebenic25" and is located in Cape Coral, Florida. This item can be shipped worldwide.