I have received my grandad’s camera and negative archive.
By 1954 both models were being advertised in the British Journal Photographic Almanac. The cameras bear no identifying model number, but they can be easily distinguished from each other because the Paxette has a fixed lens, while the lens is interchangeable on the Paxette II.
The first Paxettes made by Braun were simple viewfinder cameras, with the Paxette dating from 1950, the Paxette II being introduced slightly later.Paxette History at retinarescue.com
I found the manual here.
These negatives include many images I had not previously scanned, but a lot of them are already available here.