1922: First issue, the set of nine values complete mint, overprinted "Specimen" in black or red, very fresh and fine, lightly mounted og. Rare Gi = £ 750.
1924: Second issue, the complete mint set of 12, overprinted "Specimen" in black or red, 2 d. with a few nibbed perfs., otherwise very fresh and fine, lightly mounted og. A rare set Gi = £ 800.