Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Hungary - 1931, black or green overprint ''Zeppelin 1931'' on ''Turul'' stamps of 1p orange and 2p violet, imperforate complete set of two in horizontal pairs, full OG, NH, VF, each stamp with Kessler guarantee hs, C.v. $900 as hinged singles, Mi #478U-79U, C.v. €1,400, Scott #C24-25 imp