画像は『The Royal Family 2021年12月25日付Instagram「“And for me and my family, even with one familiar laugh missing this year, there will be joy in Christmas, as we have the chance to reminisce…”」、2020年11月20日付Instagram「Thank you to everyone for your kind wishes for The Queen and The Duke of Edinburgh on their 73rd Wedding Anniversary」、2020年11月19日付Instagram「This new image has been released to mark the 73rd wedding anniversary of The Queen and The Duke of Edinburgh tomorrow.」』『The Royal Family 2021年12月25日付Twitter「The Queen’s annual Christmas Message can be viewed at 3pm on @RoyalFamily channels, @BBCOne and @ITV and heard on @BBCRadio4.」』のスクリーンショット (TechinsightJapan編集部 寺前郁美)