They are 100% authentic Neil.
The OE Stratos Stradale nose badge is the same part, but with two small and shallow self tapping screws.
For anyone removing Fulvia hub cap badges, carefully grind the least amount of the rivets on the reverse of the cap to release the badge. Don't drill the rivets out.
There's precious little metal to fit to either fit captive studs or small self tappers, as it is.
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