The earliest Underwoods are considered collectible and will bring roughly $200; these usually say "Wagner Typewriter Co." on the back. Some collectors or people who want one old typewriter will enjoy an ordinary Underwood (which is likely to be a #5) if it's in great condition. Very nice #5's can bring $200 or so, but the average-condition Underwood (any model) is worth little. There are some attractive Underwood portables, particularly the "Underwood Standard Portable Typewriter" of 1919-29, with three rows of keys (the name is bigger than the typewriter). It's worth about $50. For more about Underwoods, click here .
About Underwood Typewriters You are sitting at your desk frantically pecking away at the keys to finish the greatest story in the history of print. The Underwood typewriter keeps pace with your feverish typing. Yes, the original Underwood manual typewriter is still available today. You can find several different models in the vast inventory on eBay. You can also find accessories, such as extra keys and ribbons. These typewriters make for terrific conversation pieces in your antique collection. The vintage Underwood standard typewriter, such as the Underwood Champion typewriter, is a sturdy machine made of steel with jewelry keys. The models from the 1930s and 1940s are somewhat sleeker as Underwood continued to search for the optimum design. You can find the more common models from the 1950s and 1960s, which feature more plastic and are, of course, lighter in weight. Find versions from those eras in several different colors including a variety of pastels. Create the vintage version of the email with one of the many models still in working condition. Whether you type on the machine or put it on display, the Underwood typewriter is truly legendary.
In a conventional typewriter the typebar reaches the end of its travel simply by striking the ribbon and paper. A "noiseless" typewriter has a complex lever mechanism that decelerates the typebar mechanically before pressing it against the ribbon and paper  in an attempt to dampen the noise. It certainly reduced the high-frequency content of the sound, rendering it more of a "clunk" than a "clack" and arguably less intrusive, but such advertising claims as "A machine that can be operated a few feet away from your desk — And not be heard" were not true.