Spare Water Polo cap, not used at the Olympic tournament during Helsinki 1952 Games. White, blue on the inside (exchanged by turning around). Manufacturer's mark: SPUR GEORGE GROSE LTD. NEW BRIDGES ST. LUDGATE CIRCUS LONDON E.C.4. On both sides two cotton straps to be tied under the chin. Text in red: XV OLYMPIA HELSINKI 1952 and the Olympic rings.