unmounted mint Block of Four 2/6d. black and red on grey-blue, line perf. from third printing, lower right plate block of four, usual gum toning and slight soiling on margin, mounted on margins only, a rare and desirable positional piece. S.G. 117a. Photo

细节
unmounted mint Block of Four 2/6d. black and red on grey-blue, line perf. from third printing, lower right plate block of four, usual gum toning and slight soiling on margin, mounted on margins only, a rare and desirable positional piece. S.G. 117a. Photo