U.S. and Worldwide; Zemstvo
November 6-7, 2013 and November 13, 2013
| Images | Description | Current Bid |
 | Lot #1125 MEXICO Air Post Officials 1929 20c black, double overprint, well centered, small h.r., fine, signed Ruidiaz. A rarity, only four recorded * Catalog #CO7var | Price Realized $1,100.00 |
