Stamp: Wilhelm Ostwald (1909 Chemistry) (Sierra Leone(Centenary of Nobel Prize Trust Fund) Mi:SL 2462,Sn:SL 1846c,Yt:SL 2060,Sg:SL 2420 📮
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Stamp catalog : Stamp › Wilhelm Ostwald (1909 Chemistry)

- Country:
- Sierra Leone
- Series:
- Centenary of Nobel Prize Trust Fund
- Catalog codes:
- ColnectScrp
- Themes:
- Chemists | Famous People | Nobel Laureates
- Issued on:
- 1995-12-29
- Colors:
- Multicolor
- Printers:
- House of Questa
- Format:
- Stamp
- Emission:
- Agency Issue: Commemorative
- Perforation:
- 14¼ x 12½
- Printing:
- Offset lithography
- Face value:
- 250 Le - Sierra Leonean leone
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