Rectangle shaped silk with a coloured drawing of four men constructing a brick wall. The cigarette silk issued by the Imperial Tobacco Company of Great Britain and Ireland Ltd. Front of card has an artist's drawing of four men doing various jobs on a red brick wall, all dressed in 17th century style clothing. Above the drawing 'Canadian History Series' is written in black, and below the image '#23 Construction of Citadel and Fortification at Quebec. 1963.' is written in black. The back of the silk is blank. Cigarette “silks” were made out of satin and came in packages of cigarettes as a promotion to encourage smokers to collect sets. Eg. Flowers, flags of different countries, animals, leaders, etc. They were produced in England between approximately 1900 and 1925.