on 1d. blue [4], unused with part original gum; two light creases neither affecting fine appearance. B.P.A. Certificate (1998). S.G. 16, £800. Photo" /> unused <I>"Two/Cents"</I> on 1d. blue [4], unused with part original gum; two light creases neither affecting fine appearance. B.P.A. Certificate (1998). S.G. 16, £800. Photo | Christie's