Germany, Semi-Official Airmail, 1912-30 Group, of 11 stamps; 1912, 10pf-30pf Rhine & Main set, 50pf Margaret Fair issues in shades (1A), 10pf Gotha-Erfurt (5), 1924, 2Gm Junkers (12), 1925, 10pf-20pf Easter Days set (15-16) and 1930, 10pf+20pf Regensburg tete-beche pair, all with full o.g., Very Fine. Michel No. I-III, 1A//18b+19b  €1,255 ($1,400). $0 (Image)