SG43c. 1899 (January).
1/2d Yellow-green. 'Imperforate Betwee, Horizontal Pair'.
Brilliant fresh sheet marginal mint with gorgeous colour and excellent perforations. Also Imperforate to sheet margin.
(This error originates from one sheet only, affecting just the left vertical column of 10 pairs. This pair is from row 6 of the vertical strip of 10 pairs).
David Brandon and Friedl Certificate.
A GREAT RARITY.