ST LUCIA SG49 1891-98 6d dull mauve and blue die II block of 4 (Bottom Pair U/M)

1891-98 6d dull mauve and blue die II block of 4 o.g. (lower pair unmounted). Tiny tone speck mentioned for accuracy still attractive with fresh colour. Scarce. (cat 180++) Purchased from Stanley Gibbons (still on their card)