“When we were taking coffee in the drawing-room that night after dinner, I told Arthur and Mary my experience, and of the precious treasure which we had under our roof, suppressing only the name of my client. Lucy Parr, who had brought in the coffee, had, I am sure, left the room; but I cannot swear that the door was closed. Mary and Arthur were much interested and wished to see the famous coronet, but I thought it better not to disturb it.

“ ‘Where have you put it?’ asked Arthur.

“ ‘In my own bureau.’

“ ‘Well, I hope to goodness the house won’t be burgled during the night.’ said he.

“ ‘It is locked up,’ I answered.

“ ‘Oh, any old key will fit that bureau. When I was a youngster I have opened it myself with the key of the box-room cupboard.’