1 Dollar on 2 Mark, horizontal lower margin pair the types IIAI and the very rare IIAII with overprint HAN 2317.19, photo expertize Dr. Thomas Hartung: "In faultless, mint never hinged condition. The type IIAII (distance 11 mm) is - in particular with HAN - very rare! " unfolded and still unsigned! Michel 1.400.- for hinge. For mint never hinged might approximate 4.500.- realistic be.