I purchased a new Lotus nose badge for my Europa from HethelSport in California. Their enamel badges are very nicely done and have an older look to them which is nice. They may not be for older Lotus purists however because they are using the font introduced around 1985.
The badges are dished so to make sure it adhered well to the flat nose of my Europa I roughed up the reverse side and filled it in with SteelStik to make it flat. I’m guessing that it won’t be removed easily!