This photograph from the regimental collection captures the moment when Captain Humphrey Guinness received the inter-regimental polo trophy from HRH Prince Arthur of Connaught, following the Royal Scots Greys successful triumph at Hurlingham in the 1933 final. Guinness captained the team to a 6-4 victory over the Bays. The winning team consisted of Massey Lopes, Roland Findlay, Humphrey Guinness, and Cyril Gaisford-St Lawrence.
Humphrey Guinness was the finest polo player in the regiment and represented Great Britain in the 1936 Olympic Games. HRH Prince Arthur of Connaught became colonel in-chief of The Royal Scots Greys in 1921, having served as in Officer in the regiment 1907-1914. The Royal Scots Greys went on to win another inter-regimental polo final in 1938. Captain Guinness received the trophy for a second time from HRH Prince Arthur of Connaught, after The Royal Scots Greys had defeated the 12th Lancers 10-8