This case may have once attached to the belt of a soldier as a carry case for an artillery sight.Dark leather case constructed of two elongated semi-circle shapes, hand or machine stitched with a gusset. Edges trimmed in leather binding and rectangular lid held in place on one side by stitched leather hinge and fastened with metal buckle on other side. Reverse of the case has a leather loop held in place with stitching and 6 metal studs or rivets; a metal rectangular loop is stitched in place with fine wire twisted and attached to loop. Interior of case appears to be felted wool or fibre, cream in colour with small leather loop on right side, perhaps to hold a small accessory. Front of case is stamped with manufacturer's name; lid has remnants of a circular adhesive label.Manufacturer's stamp reads "FRANZ COBAL/BERLIN/1916"carry case, bag, accessory, acoutrement, world war one, military, uniform, world war i, first world war, the great war, germany, german, berlin, franz cobal, franz cobalt, artillery sight