COUNTRY: United States CATALOGUE #: C13-C15 YEAR: 1930 CONDITION: Mint, Hinged x 2 - Each top corner of all three has a small hinge mark. The item "US #C13-C15 Airmail Zepplins MH" is in sale since Sunday, March 24, 2019. This item is in the category "Stamps\United States\Back of Book\Air Mail". The seller is "jerbear722" and is located in Avondale, Arizona. This item can be shipped worldwide.