1921 (April): Abolition of Slavery, the unissued 6 d. red & greenish blue, wmk. Script CA, overprinted "Specimen" reading down in black, of good colour and fine, large part og. See footnote under Gi 89, a rare stamp Gi = £ 700.
1921 (April): Abolition of Slavery, the unissued 6 d. red & greenish blue, wmk. Crown CA, overprinted "Specimen" reading up in black, heavy gum crease at base but of good colour and fine, large part og. See footnote under Gi 89, a rare stamp Gi = £ 700.