Phil,
I sold my remaining “stock” late last year and am nor aware of anybody in the UK who has any – and certainly not a set – for sale.
However, I do regularly trawl French sites and here are a couple of postings that may interest you. …..
https://www.leboncoin.fr/equipement_auto/1555351351.htm/
https://www.leboncoin.fr/equipement_auto/1556248680.htm/
If you might be interested in buying from France, let me know and I shall pass on any others I come across.
B
Bernie