Antigua 1938-51 1s black and red-brown error, SG105abAntigua 1938 51 1s black and red brown, FRAME PRINTED DOUBLE, ONE ALBINO, SG105ab. A brilliant unmounted mint example with full original gum. The albino impression is 2mm above and 4mm to the left of the printed frame, and readily visible in the top margin. A major King George VI rarity, of which only a few examples are recorded and extremely rare in unmounted mint condition. The printing variety "Frame printed double, one albino" is a classic De La