U.S. & Worldwide Stamps & Postal History
July 10-11, 2007
| Images | Description | Current Bid |
 | Lot #486 ARGENTINA Air Post 1912 Military Aviation, 5c blue used on Nov.10 cover from Buenos Aires to La Plata, backstamped Nov.11, 1912 on arrival, minor cover flaws, otherwise fine  | Price Realized $130.00 |
 | Lot #487 ARGENTINA Air Post 1930 Zeppelin Issue, overprinted in blue or green, 25 stamps, used on 7 flown covers or cards to Germany, Czechoslovakia or Austria, each with "First Europe Pan-America Round Flight" cachet, one franked with the complete set, some creases, mostly fine-v.f. | Price Realized $750.00 |
 | Lot #488 ARGENTINA Air Post 1930 Issue, cplt set, each stamp overprinted "Muestra" (Specimen), fine-v.f. S Catalog #C1-19S | Price Realized $140.00 |
 | Lot #489 ARGENTINA Air Post 1930 Zeppelin, blue overprint, cplt set, fine-v.f., * Catalog #C20-24 Catalog Value $ 256 | Price Realized $160.00 |
| Lot #490 ARGENTINA Air Post 1930 Zeppelin, blue overprint, 20c, 50c and 1p, overprints inverted, three diff. blocks of four, first one l.h. or n.h., others sheet corner margin, n.h., signed Kneitschel, fine-v.f. Only 100 of each printed, very few blocks known to exist  *\**Catalog #C20var,21a,22a | Price Realized $7,500.00 | |
 | Lot #491 ARGENTINA Air Post 1930 Zeppelin, blue overprint inverted, 50c gray black, block of four, l.h., natural pre-print paper folds, v.f., with PFC. Only 100 errors issued, less than five blocks exist, *Catalog #C21a Catalog Value $ 1,900 | Price Realized $2,000.00 |
