细节
unused Block Larger Than four 1907-10 Litho, large "PAPUA" ½d. (2, one c.t.o.), small "PAPUA" watermark upright perf. 11 1d. (stains) and 2½d. black and pale ultramarine (some light stains and a few split perfs), each in a complete mint sheet of thirty. S.G. 47, 49, 51a; £450