"Whilst changing the national flag would be a step too far (not least for simple design reasons)," he wrote, "there is no reason that the King’s coat of arms should not be updated. It would be a ...

The Welsh national flag is prominent but England’s appears ... with blue changed to black and the addition of the Royal Coat of arms and a garland of items symbolic of the Commonwealth.

Although the design has since become synonymous with the legendary Welsh warrior ... bears a marked similarity to the arms of Llewelyn ap Gruffydd, the flag of the royal house of Gwynedd.