U.S. and Worldwide; Zemstvo
November 6-7, 2013 and November 13, 2013
| Images | Description | Current Bid |
 | Lot #179 United States - First Day Covers First Day Covers Air Post 1930 $2.60 Zeppelin, used on beautiful Washington, April 19 FDC with Friedrichshafen-Lakehurst and Europe-Pan-America Round Flight cachets, v.f.,  Catalog #C15 Catalog Value $1,200 | Price Realized $700.00 |
