Therome cachet premier jour couvrir United States Air mail lumières polaires stamp Scott 4123 Photographie par Fred Hirschmann stamp Scott Photo Stock - Alamy
Polar bear swimming on canadian postage stamp Stock Photo - Alamy
Paleophilatelie.eu - Canada 1989 Exploration of Canada
FRENCH SOUTHERN & ANTARCTIC TERR - #33 - 1969 - 20 YRS FR POLAR EXPEDITIONS - County Stamp Center