I know that the Crown Jewels in today’s painting may not technically be jewels. They are bits of coloured glass, marbles in fact. They do however share some features of their more exotic cousins. For example, the way that light transforms them and makes them glow with an inner translucence. Men have gone to war over exquisite gems. They have also headed to the field of battle to play, and perhaps win their prize in a game of marbles.