Lot
908 
Airmail, 1933, 50¢ "Chicago" Zeppelin, on 1933 Century of Progress Miami to Chicago flight cover with scarce multicolored printed cachet, tied by "Miami, Fla., Oct 23, 1933" machine postmark and purple U.S. flight cachet, Very Fine. Scott No. C18 Estimate $150 - 200.
Realized: $200