Battered, but it types wonderfully! The typeface is Ro 7, the spacing is 2.3 mm.
The serial number is not in the database, but based on the small paper inside the machine (see gallery) I think it is 1958 or 1959
Status: Typewriter Hunter
this says: new platen in 1976, with the name and address of the manufacturer
bought in Amsterdam, P.C. Hooftstraat, around 1959
Typeface: Ro 7. The litttle ring means that this is meant for a portable typewriter.See Sommeregger's Sammelsurium for the explanation at http://sommeregger.blogspot.com/2014/03/ransmayer-rodrian-catalogue-and-how-to.html
from: I. Cutler, Life in a Scotch sitting room Vol. 1