U.S. & Worldwide Stamps
July 10-12, 2013
| Images | Description | Current Bid |
 | Lot #1457 SWITZERLAND Air Post 1938 "Pro Aero 1938" surcharged 75c on 50c, bottom corner sheet margin single, small h.r., v.f., signed Hunziker etc. In celebration of Air Week, special flights were made from 12 airports and covers bear appropriate cachets. Stamps were cancelled to order or affixed to flight covers. No mint copies were intentionally sold, only one or two sheets escaped detection by the diligent Swiss postal officials. This lot along with the next one represent a significant holding of this rare issue and present a wonderful opportunity for collectors to acquire this sought after stamp, unpriced in Scott's (Zu.26) * Catalog #C28 Catalog Value SFr 7,500 | Price Realized $4,500.00 |
 | Lot #1458 SWITZERLAND Air Post 1938 "Pro Aero 1938" surcharged 75c on 50c, bottom sheet margin single, n.h., post office fresh, v.f., signed Hunziker and Bolaffi (Zu.26) ** Catalog #C28 Catalog Value SFr 15,000 | Price Realized $7,500.00 |
