Scott wrote:

It is definitely a Europlug. I know the distinction between that and
a UK two-pin plug. The pins are indeed angled inwards. The problem I
think is that they are angled too much.

Should only be 1.1mm narrower at end of pins

https://upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Europlug-scheme.png/330px-Europlug-scheme.png