The Precious.
The BBC reports that the coins had to be melted down and reminted after Brexit was delayed.
The coins bear the inscription “Peace, prosperity and friendship with all nations” and the date of 31 January. Mr [Sajid] Javid had first ordered production of the coins in advance of the UK’s original 31 October departure date. But the Brexit delay meant about a million coins had to be melted down and the metal put aside until a new exit date was confirmed.