Unlike official airmail stamps, semi-official airmail stamps were issued by aviation companies, air shows, and other aviation-related organizations. The semi-official…
Unlike official airmail stamps, semi-official airmail stamps were issued by aviation companies, air shows, and other aviation-related organizations. The semi-official…
Upon the invasion of Russia, Germany established the Reichskommissariat Ostland to govern Estonia, Lithuania, Latvia, eastern Poland, and western Belarus.