Sheet of paper with building drawing and inscription

Photograph of a sheet of paper with a black-and-white drawing of a building with columns and a porch. Above the building, in large letters, it says "VELIKOMU OKTYABRYU" (To the Great October), between the words the number "50" and the word "LET" (years). On both sides of the building, flags and trees are depicted. The sheet lies on a wooden surface.