The Second Battle of Ypres
Silks were often included in cigarette packages as product premiums to be collected. These silks refers to villages near Ypres, where the Canadian Expeditionary Force first saw action in the spring of 1915.
"St Julien - Well Done Canada," "Langemarck - Canadians Your Country Is Proud Of You" - silk, n.d. 
John Irvine Collection - London, Ontario
tobacco silks, 11.2cm x 7.6cm