This cup was presented to the Art Gallery of South Australia by Queen Mary as part of Empire-wide celebrations for the Silver Jubilee of George V in 1935.
Essington Lewis was a hard-working industrialist who substantially developed and expanded B.H.P., and was Director-General of Munitions during the Second World War.
Harold Eustace Hill Ling was a joint patent-holder of that indisputable Australian icon, the Hills Hoist, and was responsible for expanding and diversifying Hills Industries Limited.