The Coffman Pocket Typewriter was invented by Dr. G.W. Coffman and it was produced by the Coffman Manufacturing Company of St. Louis, Missouri, ca.1902. It was marketed as a "20th Century Pocket Typewriter" with sale prices as low as $3.99 each and as high as $5 each. The Coffman is categorized in the linear index category of typewriters. French version of this machine a ecrire (typewriter) was called La Populaire and was distributed out of Paris. Please contact me if you have either name variant.
Have one for sale? Please email me at Antikey.Chop@gmail.com