1949 6¢ DC-4 Skymaster
Issue Date: August 25, 1949
City: Washington, DC
Printed By: Bureau of Engraving and Printing
Printing Method: Rotary press printing
Perforations: 10 Horizontal
Like #C39, this issue also conforms to the increase of the airmail postage rate from 5¢ to 6¢. However, it is a horizontal coil and is perforated on two sides only.