KGV 1911 3d Colour Trial on thick white paper in Rose Cat from 4000 pounds

KGV 1911 3d Colour Trial. With white background to head and shaded upper corners. Reworked head Cut down from a die proof used as a colour trial on thick white paper in Rose. (Specialised Figure 23a on page 90 of the Stanley Gibbons 4 kings Catalogue 14 th Edition) Fine and rare. Cat from 4000 pounds.