A rare British War Medal and Accompanying Imperial Service Medal to Arthur Thomas Cogan (ISM inscribed as such) The War Medal inscribed A Cogan Service With the Royal Navy Box marked same as well as Civ. 35 Completely unresearched Good condition. Auctiva Free Image Hosting. The item “Rare Civilian WW1 BWM Service With The Royal Navy & Imperial Service Medal” is in sale since Wednesday, October 26, 2016. This item is in the category “Collectables\Militaria\World War I (1914-1918)\Medals/ Ribbons”. The seller is “richarddesert” and is located in Alcester. This item can be shipped to all countries in Europe, to United States, to Japan, to Canada, to Australia.