This is the Graf Zeppelin, 50¢ green. Stamps have terrific XF centering. With one stamp being very lightly.Hinged and one stamp being NH! If graded at only 95 by PSE this. Pair would have a retail SMQ. LOOK" is in sale since Sunday, March 3, 2019. This item is in the category "Stamps\United States\Back of Book\Air Mail". The seller is "stmpmn2" and is located in Naples, Florida. This item can be shipped worldwide.