Kenny,

You'll need to establish the U.K. post before buying, but there's this with the correct black retaining ring:
https://www.ebay.it/itm/FIAT-124-SPO...YAAOSwBUtcnn56

The same seller has some of these too, with 'patina':
https://www.ebay.it/itm/Coppia-Manig...kAAOSwqxdcDMCK