This is the kind of thing that makes me feel nostalgic and weak at the knees. I saw this tracing paper sample book at a wooden cutting board factory up in Vermont. They had a startling array of ephemera just lying around, and my camera died after this shot. Of course. As a matter of information, Kueffel and Esser, more commonly known as K & E, started out in the late 19th century as a company known for making drawing materials, drafting supplies and surveying equipment.