used 2d. pale blue and 2d. blue on soft paper and 2d. pale blue on hard paper, all with four margins, the first very lightly cancelled and with tiny part c.d.s. in red. S.G. 9, 10; #540

细节
used 2d. pale blue and 2d. blue on soft paper and 2d. pale blue on hard paper, all with four margins, the first very lightly cancelled and with tiny part c.d.s. in red. S.G. 9, 10; #540