U.S. and Worldwide Stamps
April 28-29, 2010
| Images | Description | Current Bid |
 | Lot #510 COLOMBIA Air Post 1920 10c Lighthouse, l.h., v.f., signed Champion, Heiman, Brun etc., light wrinkle at left, still v.f., with Friedl cert. and PFC stating "light diagonal crease", which is actually only an insignificant wrinkle, * Catalog #C6 Catalog Value $2,750 | Price Realized $1,500.00 |
 | Lot #511 COLOMBIA Air Post 1920 10c green, used with additional franking on first flight cover from Barranquilla to Medellin, some toning, otherwise fine  Catalog #C11 | Price Realized $230.00 |
 | Lot #512 COLOMBIA Air Post 1921 10c on 50c green, surcharge shifted with "vos" (of "Centavos") at top, unused without gum, fine, scarce (YT PA 23A) (*) Catalog #C17var Catalog Value $900 | Price Realized $500.00 |
 | Lot #513 COLOMBIA Air Post 1921 "$030c" surcharged in violet on 50c green, cancelled on piece, fine (YT PA 28b) O Catalog #C24 Catalog Value $1,300 | Price Realized $575.00 |
 | Lot #514 COLOMBIA Air Post 1921 "$030c" surcharge inverted on 50c green, small thin, otherwise fine, signed Glasewald etc. (YT PA 28b) O Catalog #C24var Catalog Value $1,300 | Price Realized $500.00 |
