It was a Toltec.
I just don't understand how it could have happened.
In the end, I got one of these - https://www.ebay.co.uk/itm/296340578499?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=3uuiAC21SGW&sssrc=2047675&ssuid=&widget_ver=artemis&media=COPY
It seems to be 3d printed, but is exactly the thing.
Leaving the link here for reference for others.