The British Oliver Manufacturing Company branded many portable typewriter models, mostly European, with the Oliver name.
The first portable typewriter to bear the Oliver name is the Fortuna.
The second model rebranded by Oliver is the S.I.M. (also found under the names Augusta, Nuova-Levi, and Continental).
The third type of Oliver portable resembles the Royal Standard "O" Portable.
The fourth Oliver portable is a rebranded Swiss machine called the Patria.
The fifth Oliver portable is a rebranded Patria (also sold as Japy). They were branded as "Oliver Courier", "Conquerer", or simply "Oliver".
The sixth Oliver portable is a rebranded Voss. It looks to be a rebranded Voss SDT 32.