U.S. and Worldwide; Zemstvo
November 6-7, 2013 and November 13, 2013
| Images | Description | Current Bid |
 | Lot #58 United States - Air Post Flight Covers 1912 (Feb 17) Pioneer flight in Oakland, Calif., 2c entire envelope addressed to the Mayor of Oakland, endorsed "via Airplane",  Catalog #AAMC 15 Catalog Value $275 | Unsold |
