Lot
1540 
1935 (Nov. 23 - Dec. 5) First Trans-Antarctic Flight - Incoming Mail, large group of 12 incoming covers to expedition members via Montevideo, Uruguay (7) and New York N.Y. (4) with frankings of Canada, Argentina and United States; some mixed condition but a scarce group that AAMC values at $150-$300 per cover, F.-V.F. AAMC No. PP 158d Estimate $500 - 750.
Realized: $325