Smith Premier No. 10 made in the USA at the beginning of the 20th century.
With a double keyboard, with upper and lower case letters separated by colours (black and white).
The Smith Premier typewriters were produced by the LC Smith & Brothers arms factory, located in Syracuse, New York (USA).
The model No. 10, which appeared in 1908, was the last of the legendary series, characterised by its double keyboard with upper and lower case letters.