1960s Underwood 21
Here's a sweet Underwood 21 typewriter made sometime in the 1960s. This machine was made after Olivetti and Underwood merged, and it was produced in an Olivetti factory in Barcelona, Spain. This specific typewriter is in great condition, and works without any issues. It would definitely be able to be used on a regular basis. Just note that this typewriter doesn't use universal ribbons, however, the correct ribbon can be easily found on eBay.