U.S. and Worldwide; Zemstvo
November 6-7, 2013 and November 13, 2013
| Images | Description | Current Bid |
 | Lot #1124 MEXICO Air Post Officials 1929 Habilitado overprinted in red, 3c-1p, complete set in sheet margin blocks of four, 1peso n.h., others with two stamps hinged and two n.h., fresh and v.f. Of the 1peso value, only 128 (!) were printed, with perhaps two blocks of four still extant. A premier Airpost rarity from Mexico, signed Ruidiaz, with 2011 MEPSI cert. (catalogue value for singles)  */**Catalog #CO3-10 Catalog Value $19,250 | Price Realized $7,000.00 |
 | 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 |
