U.S. and Worldwide Stamps; South America; Russia
January 13-14, 2010
| Images | Description | Current Bid |
 | Lot #838 MEXICO Air Post 1935 Amelia Earhart overprint, tiny "Muestra" hs, unused without gum, v.f., signed Champion S Catalog #C74S | Price Realized $500.00 |
 | Lot #839 MEXICO Air Post 1975 Leon Guzman and Ignacio Ramirez, 60c yellow green, block of four, n.h. and post office fresh, a major 20th Century rarity, only 80 copies believed to exist (two sheets of 50 were discovered, of which 20 were defective), one of only a few known blocks (catalogue value for singles)  **Catalog #C471A Catalog Value $4,800 | Unsold |
 | Lot #2425 MEXICO Air Post 1935 Amelia Earhart, 20c lake, small h.r., v.f., signed Calves, with 1978 MEPSI cert., * Catalog #C74 Catalog Value $3,250 | Unsold |
 | Lot #2426 MEXICO Air Post 1935 20c lake, overprinted "Amelia Earhart Vuelo de Buena Voluntad Mexico 1935", right sheet margin block of four, n.h., v.f., pencil signed. A wonderful airpost and Mexico rarity, only 430 stamps were overprinted issued, this being one of only three known blocks of four (catalogue value for singles) **Catalog #C74 Catalog Value $20,000 | Price Realized $27,000.00 |
 | Lot #2427 MEXICO Air Post 1935 20c lake, overprinted "Amelia Earhart Vuelo de Buena Voluntad Mexico 1935", with additional "Muestra" at bottom, upper right sheet corner margin block of four, n.h., v.f., with 1956 Philatelic Foundation Certificate, ex-George Sloane collection. Only 350 stamps were overprinted "Muestra", making it scarcer than the issued stamp. As far as we know, this is the only known block of four **Catalog #C74S | Price Realized $8,500.00 |
 | Lot #2428 MEXICO Air Post 1936 20c lake, "Eagleman" watermarked "Secretaria de Hacienda Mexico" and lines, bottom sheet margin block of four, n.h., v.f., signed Herbert Bloch, with 1971 Friedl Certificate. This is the only existing block of this elusive watermark issue, certainly the major air post rarity from Mexico, ex-Weston collection (realized $60,500 in the 1980 Sotheby's-Parke-Bennet auction) **Catalog #C76A | Unsold |
 | Lot #2429 MEXICO Air Post 1939 Sarabia, 20c blue & red, l.h., v.f., * Catalog #C93A Catalog Value $425 | Unsold |
 | Lot #2430 MEXICO Air Post 1939 Sarabia Flight, 20c blue and red, right margin single, n.h., v.f., ** Catalog #C93A Catalog Value $450 | Price Realized $240.00 |
 | Lot #2431 MEXICO Air Post 1939 Sarabia, 20c blue & red, n.h., v.f., ** Catalog #C93A Catalog Value $450 | Price Realized $325.00 |
