Kossoy Collection of Poland; U.S. & Worldwide Stamps
September 11-13, 2012
| Images | Description | Current Bid |
 | Lot #93 United States 1930-80 Issues Air Post 1918 16c green, tied by the "Air Mail Service N.Y. Phila. Washington" cancel dated July 13, 7PM, on cover addressed to Eugene Klein, apparently held for the July 15 flight, with Philadelphia July 15 receiver on back. The rate for Washington to Philadelphia flights was lowered from 24c to 16c on July 15th. Examples of pre-July 15 acceptance for airmail delivery are exceedingly rare, in fact owner’s note states Klein had prepared about 5 covers (catalogue value for July 15 usage)  Catalog #C2 Catalog Value $800 | Price Realized $575.00 |
 | Lot #94 United States 1930-80 Issues Air Post 1930 Zeppelin, set of three, first two with sheet margins, well centered, n.h. but with natural gum skips, fine-v.f., ** Catalog #C13-15 Catalog Value $1,900 | Price Realized $900.00 |
 | Lot #95 United States 1930-80 Issues Air Post 1930 Zeppelin, set of three, used, fine-v.f., O Catalog #C13-15 Catalog Value $1,140 | Price Realized $500.00 |
 | Lot #96 United States 1930-80 Issues Air Post 1930 Zeppelin $2.60 blue, v.f., used on round-flight FDC (April 19) from Washington, with appropriate cachets and Lakehurst arrival pmk on back, Catalog #C15 Catalog Value $1,200 | Unsold |
 | Lot #97 United States 1930-80 Issues Air Post 1930 Zeppelin $2.60 blue, v.f., used on small round-flight FDC (April 19) from Washington, with appropriate cachets and Lakehurst arrival pmk on back, Catalog #C15 Catalog Value $1,200 | Unsold |
 | Lot #98 United States 1930-80 Issues Air Post 1983 Olympics, se-tenant "Zip" block of four, variety imperf. at bottom, n.h., v.f. and undoubtedly rare (se-tenant block of four imperf. vertically is catalogued at $7,500)  **Catalog #C101-104var | Price Realized $270.00 |
