Business & Trade Cards Business & Trade Cards Business & Trade cards were prolific throughout the business world but truly important ones for ribbon & carbon companies are hard to find after the passage of time and I have not concentrated on them as a collectible. Click on name for picture and further info. Burroughs Corporation Business CardCarter, Dinsmore & Co. Trade CardKee Lox Business CardLittle, A. P. Business CardMittag & Volger Business CardSimplex Typewriter Die Cut BookletLoad more