Canada, CEF. A Lot of Ten Cap Badges GTRexclude Flying over the Himalayas was

Flying over the Himalayas was extremely dangerous and made more difficult by a lack of reliable charts

(ii) the dark bronze medal awarded to medical and clerical personnel that had been on active duty in the eastern Siberian regions adjacent to the territories declared as a war zone (non-combatants)

Footnote: Carl Bamberg (1847-1892) served an apprenticeship with Carl Zeiss at Jena and studied at the Universities of Jena and Berlin before establishing a "Werkstätten für Präzisions-Mechanik und Optik" in Friedenau

the obverse consisting of a Yugoslav royal eagle situated within a semi-circular laurel and oak leaf wreath

Canada, CEF. A Lot of Ten Cap Badges GTRexclude Flying over the Himalayas wasIncludes 4th Canadian Mounted Rifles; Three Canadian Army Service Corps, 59th Overseas Battalion; 81st Overseas Battalion; 9th Overseas Siege Battery; 160th Bruce Overseas; two Canadian Beavers Cap Badges, fine as a lot.