22 June (Sierra Leone ) within release EXPO ’70 Intl. Exhib., Osaka, Japan goes into circulation Stamp EXPO ’70 Emblems face value 25 Sierra Leonean cent
Stamp EXPO ’70 Emblems in catalogues | |
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Michel: | Mi: SL 490 |
Stamp Number: | Sn: SL C115 |
Stamp is square format.
Also in the issue EXPO ’70 Intl. Exhib., Osaka, Japan:
Stamp EXPO ’70 Emblems it reflects the thematic directions:
A world's fair, also known as a universal exhibition, is a large global exhibition designed to showcase the achievements of nations.These exhibitions vary in character and are held in different parts of the world at a specific site for a period of time, typically between three and six months