Deborah Friedman Collection of Colombian Airmail; U.S. & Worldwide Stamps
November 7, 2007 and November 13-15, 2007
| Images | Description | Current Bid |
 | Lot #2928 RUSSIA Air Post Officials 1922 1200m on 10k, l.h., v.f., signed Dr.P.Jemchouhin, Roger Calves * Catalog #CO5 | Price Realized $1,100.00 |
 | Lot #2929 RUSSIA Air Post Officials 1922 1200m on 2.25r, n.h., v.f., with handstamped guarantee marks ** Catalog #CO7 | Price Realized $2,200.00 |
