I agree that it makes sense that the tray is merely a "basket" for conveying a number of pieces. But perhap not. It does have a soft cover!
The modern staff might have "modern" habits.
--Previous Message-- : Makes sense. : : : --Previous Message-- : I would suggest that the sapphires are not : stored thus; they are brought to Her Majesty : in this manner. They will be stored in : their proper fitted cases to ensure that : there is minimal damange to them. This is : merely an easier means of bringing to the : Queen the jewels that she has selected. :