Vintage Olivetti M40/3 typewriter, manufactured around the 1940s in Italy. Model and Manufacture: The typewriter is an Olivetti M40/3, a heavy and durable model manufactured by the Italian company Olivetti. Condition and Value: These machines are considered collectibles, and their value depends greatly on their functional and aesthetic condition, with some requiring maintenance and cleaning to work properly. History: These typewriters were very common during the 20th century as an essential office tool before the transition to computers.