1949 6¢ DC-4 Skymaster
Issue Date: January 18, 1949
City: Washington, DC
Printed By: Bureau of Engraving and Printing
Printing Method: Rotary press printing
Perforations: 10 ½ X 11
#C39 was issued to conform to the increase of the airmail postage rate, which changed the rate from 5¢ to 6¢. The DC-4 Skymaster was a four-engine propeller plane that was used during World War II. It became a passenger airplane for the growing air travel business.