Scott #C18(Block of 4). Due to scanner problems and limitations some scans may appear discolored in white areas, any actual discoloration is mentioned. Some scans appear to have a vertical or horizontal line on them due to protective material used in scanning. Please check my other current lots. The item "Graf Zeppelin Flight(Baby Zepp) Sc#C18 Bl.Of 4 FDC to Friedrichshafen, 1933rd" is in sale since Tuesday, April 9, 2019. This item is in the category "Stamps\United States\Back of Book\Air Mail". The seller is "arcadyz" and is located in Swampscott, Massachusetts. This item can be shipped worldwide.