Barbados SGD2a 1d Post Due Bisected with 1/2d surcharged in M/S RARE

1934 (2 NO) 1/2d Green postal stationery wrapper used from St George to Christchurch with fine BARBADOS?St GEORGE despatch CDS. Circular T tax marking and bearing bisected 934-47 postage due 1d black with Christchurch arrival cds dated NO 3 34. Philatelic but Exceptional Quality and Rare. (NB The bisected 1d was officially authorised for use between March 1934 and February 1935 pending arrival of the the 1/2d value. Some examples had the value (1/2d) written across the half stamp in red or black ink) Original Purchased from Stanley Gibbons (Still on their card)