Air Mail issue SG31 - 2a Deep Blue-Green, SG32 - 3a Blue and SG34 - 6a Bistre, mint small h/r. Average centring. Fresh bright colours. (3) Cat £40 (Start Price = £15.20)
Overprint on Sun Yat-sen double circle $2 red brown and blue, $5 blackish green and scarlet mounted mint, lightly browned gum(insignificant) otherwise fine Cat £675 (image available) [US5] (Start Price = £124.80)