Airmail, 1930, $2.60 Graf Zeppelin, Complete Pane of 50, o.g., never hinged, some minor gum bends and skips to be expected, lovely shade, post office fresh and intact, two stamps clear of plate blocks with natural inclusions, Extremely Fine. Scott No. C15  $54,550+. A SUPERB MINT NEVER HINGED COMPLETE PANE OF THE $2.60 GRAF ZEPPELIN, EXCEPTIONAL IN THIS OUTSTANDING CONDITION. THIS IS THE FIRST SHEET TO COME ON THE MARKET IN SEVERAL YEARS. This sheet has exceptional centering throughout and is likely the finest intact sheet remaining. The Scott catalog is for singles and two plate blocks and does not account for the significant premium of the high grade singles contained within the pane. $0 (Image)