used 4a. blue and red, 4th printing, a horizontal pair with good to large margins, both clearly cancelled "B/172"; the right stamp with tiny corner crease and small blue ink mark at top, fine. S.G. Z67. Photo | Christie's

拍品 61

used 4a. blue and red, 4th printing, a horizontal pair with good to large margins, both clearly cancelled "B/172"; the right stamp with tiny corner crease and small blue ink mark at top, fine. S.G. Z67. Photo

used 4a. blue and red, 4th printing, a horizontal pair with good to large margins, both clearly cancelled "B/172"; the right stamp with tiny corner crease and small blue ink mark at top, fine. S.G. Z67. Photo

细节

used 4a. blue and red, 4th printing, a horizontal pair with good to large margins, both clearly cancelled "B/172"; the right stamp with tiny corner crease and small blue ink mark at top, fine. S.G. Z67. Photo