Of Swiss Design, the weapon couldn't be obtained from its original source during wartime.
Charles Goodeve led the effort to get its manufacture underway in Britain.|
For the full story, see the memoir.
(It was later also made in the USA. This example is on a US vessel.)
...And the model version:This was presented to Goodeve as a memento of his efforts. It is in the form of an ashtray — although Goodeve never smoked!
It is complete with the bag for spent-shell-casings that is missing from the photo above.