U.S. and Worldwide; Zemstvo
November 6-7, 2013 and November 13, 2013
| Images | Description | Current Bid |
 | Lot #177 United States - First Day Covers First Day Covers Air Post 1930 65c Zeppelin, block of four on cover, Washington, April 19 first day cancellation, with appropriate Lakehurst and Europe-Pan-America Round Flight cachets, v.f. and rare  Catalog #C13 | Price Realized $950.00 |
