2007 41¢ Aurora Australis
Issue Date: October 1, 2007
City: Washington, DC
Printed By: Ashton-Potter (USA) Ltd
Printing Method: Lithographed
Perforations: Serpentine die cut 10 ¾
Aurora australis light shows develop over Antarctica. Because that continent has 24 hours of daylight from September through March, as well as earth's coldest temperatures, the lights are rarely seen by humans.