Being someone unable to discern hiragana from katakana it is a rather hard task finding bibliophilatelistic material like the one shown above within the japanese issueing history. But luckily there are catalogues and our friends from Scott inform us that the shown example appreciates the opening of the “Library of Modern Japanese Literature” in Tokyo’s Komaba Park, which is rather a museum. Scott Number is 906, issue date was April 11th 1967.
Bibliophilately 