Austria, Airmail, 1918, 7k on 10k red brown, unissued, o.g., never hinged, beautifully centered, rich deep color, Extremely Fine, an exceptional example of this scarce unissued airmail; with 2007 Ferchenbauer certificate. Michel No. II. Scott No. C3 fn  $1,600. $0 (Image)

Austria, Airmail, 1918, 7k on 10k red brown, unissued, imperf, horizontal pair, without gum as issued, large well balanced margins, rich deep color, Very Fine; signed Kessler. Scott No. C3 fn $1,050. Michel No. II U  €1,200 ($1,340). $0 (Image)