Queen Elizabeth II Attends The Royal Windsor Cup 2021

EGHAM, UNITED KINGDOM - JULY 11: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Queen Elizabeth II (wearing her Vanguard Rose Brooch which she received in 1944 from Messrs John Brown and Co. when she launched HMS Vanguard) attends the Out-Sourcing Inc. Royal Windsor Cup polo match and a carriage driving display by the British Driving Society at Guards Polo Club, Smith's Lawn on July 11, 2021 in Egham, England. (Photo by Max Mumby/Indigo/Getty Images)