used  4a. blue and red, 4th printing, a pair (right stamp with thin and crease) and two singles (one with frameline touched at left), each cancelled by diamond of hollow dots. Good to fine. S.G. Z67. Photo
used 4a. blue and red, 4th printing, a pair (right stamp with thin and crease) and two singles (one with frameline touched at left), each cancelled by diamond of hollow dots. Good to fine. S.G. Z67. Photo

细节
used 4a. blue and red, 4th printing, a pair (right stamp with thin and crease) and two singles (one with frameline touched at left), each cancelled by diamond of hollow dots. Good to fine. S.G. Z67. Photo