I've taken the plunge and gone with
https://www.amazon.co.uk/gp/product/...N84CHOPJ&psc=1
and
https://www.amazon.co.uk/Black-Shiny...omotive&sr=1-1
These badges seem to be a minefield. Some are square edges, some bevelled edges, the OEM ones have lugs and are pricey and the aftermarket cheaper items seem to be self adhesive. MK1 badges seem different to MK11. I'll comment on what they look like when they arrive.