Kossoy Collection of Poland; U.S. & Worldwide Stamps
September 11-13, 2012
| Images | Description | Current Bid |
 | Lot #156 ARGENTINA Air Post 1930 Zeppelin, 50c and 1p, blue overprints inverted, bottom margin blocks of four, both with top stamps hinged, bottom stamps n.h., fine-v.f., signed Sanabria. Only 100 of each printed, less than five blocks exist,  */**Catalog #C21a,22a Catalog Value $4,500 | Unsold |
 | Lot #157 ARGENTINA Air Post 1930 Zeppelin, green overprint, complete set, h.r., fine-v.f., signed Sanabria, Kessler, etc., * Catalog #C25-29 Catalog Value $766 | Price Realized $260.00 |
