Vatican, 1929, 25c dark blue and light blue. In combination with Italy 1l definitive tied by appropriate cds's on 1930 South American Graf Zeppelin flight picture postcard, Germany 1m airmail tied by on board cancel, red flight cachet and Sevilla receiving cds, Very Fine, scarce with only 49 pieces carried from Vatican City. Sieger No. 57A. Scott No. 4  Estimate $750 - 1,000. $0 (Image)