Queen Elizabeth’s Royal Collection of art is vast. “It has 7,000 paintings, 500,000 prints and 30,000 watercolours and drawings. Apart from these few rooms off Buckingham Palace, you can also see parts of the collection in the other Queen’s Gallery at Holyroodhouse in Edinburgh, and in the various royal palaces that are open to the public. But this is a fraction of the whole. Furthermore, it remains unclear precisely what is in the collection, and where it is displayed (or not). There is no publicly accessible inventory of the Royal Collection.”