Tasmania Australia 1906-09 Watermark Crown Over Double-Lined A (inverted) 9d Blue Block of 12 With Different Perfs SG 256/b

1906-09 Watermark Crown Over Double-Lined A (inverted) 9d Blue Block of 12 With Current No. "50" Perf 12 1/2 horizontally and first two columns vertically, other vertical columns Perf 11, thus two are Perf 12 1/2 x 11 x 12 1/2 x 12 1/2, and eight are Perf 12 1/2 x 11. Bands of gum toning on reverse, otherwise full original gum with only two units hinged. SG 256/b