Nobel laureate - 5 luxury blocks mint never hinged, catalog no. 684-688, Obervolta

These mint luxury stamp blocks were published on the subject of "Nobel Prize Winners" and each contain an imperforate stamp. The stamps show: 55 Fr, Semina Lagerlöf, Nobel Prize for Literature 1909; 65 Fr, G. Marconi, Nobel Prize in Physics 1909; 125 Fr, B. Russell, Nobel Prize in Literature 1950; 200 Fr, L. Pauling, Nobel Prize in Chemistry 1954; R. Koch, Nobel Prize for Medicine 1905. Catalog no. 684-688.