U.S. and Worldwide; Zemstvo
November 6-7, 2013 and November 13, 2013
| Images | Description | Current Bid |
 | Lot #275 BOLIVIA Air Post 1924 Aviation School 10c, 25c and 1b, three different imperforate pairs, l.h. or n.h., v.f. */** Catalog #C1,3,5var | Price Realized $700.00 |
 | Lot #276 BOLIVIA Air Post 1930 10c vermilion & black, brown overprint, l.h., v.f., with faint handstamp on back, rare, * Catalog #C13 Catalog Value $2,500 | Unsold |
 | Lot #277 BOLIVIA Air Post 1962 surcharges, set of five, sheets of 100, sensibly folded between stamps, n.h., some marginal gum skips, fine-v.f.  **Catalog #C232-236 Catalog Value $975 | Price Realized $140.00 |
 | Lot #278 BOLIVIA Air Post 1985 Chess, four color transparencies prepared for the souvenir sheet, v.f., possibly unique P | Price Realized $200.00 |
