Lot
2318 
Airmail, 1933, 50¢ "Chicago" Zeppelin, o.g., never hinged, perfectly centered amid large evenly balanced margins all a round, rich deep color and Post Office fresh, a Superb gem, one of six examples to grade as such with only one grading higher; with 2021 Crowe & P.S.E. certificates, both Graded (Gem 100, SMQ $1,200). Scott No. C18 $75.
Realized: $1,600