The Typewriter Database

To find out when your typewriter was made, start by choosing the brand from the select box below.

Select Brand:

Green Serial #'s • Black notes, no #'s • Grey no info.

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Princess (Keller und Knappich) Typewriter Model Photo Galleries

100, 300, 400, Exemplar 300, Princess, Princess 100, Princess 200, Princess 500, Standard

Princess (Keller und Knappich) Exemplar 300 Typewriters by Year then Serial Number

1957 Princess (Keller und Knappich) Exemplar 300 Typewriters by Serial Number