unmounted mint Block of Four 1980 Geographical Society 7p., 11p. and 22p., each in a lower left corner plate number block of four showing variety watermark Crown to right of CA, fine unmounted mint. S.G. 94w, 95w, 97w; £258+

Details
unmounted mint Block of Four 1980 Geographical Society 7p., 11p. and 22p., each in a lower left corner plate number block of four showing variety watermark Crown to right of CA, fine unmounted mint. S.G. 94w, 95w, 97w; £258+