better late than never, perhaps*

happy
You will see from the Archive pix Anne that this set had the addition of a pin tray plus different sticks to those you are showing, and the main tray plus pin tray appear to be opaque, so perhaps ceramic rather than glass - think I've seen this before where prototypes are made in china or earthenware. The pattern on the original tray looks to have been on the underside only.
However, your pieces seem to match, pattern and colour wise, so assume the set was made with at least some variations in design.
There will be one additional picture on the next page.
Not sure why each shape within the set has been given a separate Rd. No. - perhaps that was the standard way of registering trinket sets.
Kew reference for the Representations Book is BT 52/7932, and the full Rd. Nos. are 876833, 34, 35 and 36 as shown in the pix.
Forgot completely to look in the Register Book to see details of the Registrant and date of Registration, although this will probably not give name of manufacturer, just the importer or U.K. agent - will look again for these details when next I visit.
anyway hope of some interest - surprised me to some extent that such sets were still being made in the mid 1950's.