|Lot No: 520|
Date: 1924, Oct 3
Est. price: £15.00
Category: United States Internal
Description: Dayton-Cleveland International Air Races Connecting Service with Transcontinental Airmail, C4 8c on plain cover tied by Dayton Oct 3 pmk, black circular 'McCook Air Field Oct 2-3-4 hs, green five line air race cachet, violet 'Connecting With/Atlantic & European/via New York' and 'Via Air Mail' hs's.