Lot
512 
Panama, 1931 (Nov. 19) Cienfuegos, Cuba to to Panama City, Panama, first flight American Clipper cover bearing Cuba 20¢ airmail tied by "Cienfuegos, Cuba, Nov 19 1931" machine cancel to Panama City, Panama, appropriate flight cachet, Very Fine and scarce. Estimate $150 - 200.
Realized: $70