Was the lost coronet/crown of Llywelyn ap Gruffydd, Prince of Wales, really the lost crown of King Arthur. . .?

The above illustration is of the British Crown Jewels as we know them now, but there were predecessors, long gone now, thanks to the efforts of Oliver Cromwell, who had no truck with such baubles. We are inclined to forget that there was a Welsh crown too, until it was seized by Edward I in… Continue reading Was the lost coronet/crown of Llywelyn ap Gruffydd, Prince of Wales, really the lost crown of King Arthur. . .?