Answer: Crown Jewels
Step-by-step explanation:
I am not sure where they are supposed to fir on the Crossword but these are the Crown Jewels of the United Kingdom.
They include St. Edwards Crown in the middle, the Orb to the left and the Sovereign's Sceptre lying in front.
These are the main crown jewels of the UK and they currently belong to Queen Elizabeth II as the current Queen of the United Kingdom.