1913 KGV 8D MILLAR AND MOTLEY COLOUR TRIAL IN BLUE-GREY, UNRECORDED. A good example of the 1913 KGV 8d Millar and Motley colour trial fig.33c (graduated shading), imperforate on white gummed unwatermarked paper overprinted "ESSAY". Printed in blue-grey, a shade unlisted by SG in the specialised catalogue. Thinned on reverse but a rare item. Cat. £1700. (Ref 110518).
