U.S. & Worldwide
June 15-16, 2011
| Images | Description | Current Bid |
 | Lot #91 UNITED STATES Flight Covers 1918 24c carmine & blue, v.f., used with 2c franking on flown ppc (actually a Swiss "Pro Aviazione Nazionale Svizzera" aviation postcard), Washington, May 15, 1918 to Philadelphia, v.f. and most unusual usage of a foreign card on a domestic first flight  Catalog #C3 Catalog Value $750 | Price Realized $475.00 |
