エリザベス女王と王冠
https://peopledotcom.files.wordpress.com/2016/08/queen-elizabeth-crown-800.jpg?w=800
http://royal-fans.com/wp-content/uploads/2015/06/England-Queen-Crown-Diamond-The-imperial-state-crown-Photo-C-Getty-Images.jpg
http://image.wikifoundry.com/image/1/lw9xQAHyXe9vbCMXlJLzFw26224/GW255H387

テレビドラマとの比較
https://amp.thisisinsider.com/images/58388d2e70296623008b4a0a-750-563.png
http://www.historyvshollywood.com/reelfaces/crown/fylzb.jpg