They call it the Luck of Edenhall.

Then said the Lord: “This glass to praise,

Fill with red wine from Portugal!”

The greybeard with trembling hand obeys;

A purple light shines over all,

It beams from the Luck of Edenhall.

Then speaks the Lord, and waves it light:

“This glass of flashing crystal tall

Gave to my sires the Fountain-Sprite;

She wrote in it, If this glass doth fall,