Great Britain 1971 3p British Anniversaries error, SG887cGreat Britain 1971 3p 'British Anniversaries' error, SG887c. A very fine unmounted mint, with full original gum, example with olive brown (Faces) omitted. Offered with normal for comparison. The missing colour results in the loss of shading on the hands and faces of the people, and the leftmost soldier's rifle. A rare and reasonably priced QEII stamp error of colour. Pierron records only 100 mint examples in existence. Stanley Gibbons catalogue value: