Malaysia Winners of the International Year of Chemistry Global Stamp Competition

Malaysia winners Muzhafar Hassan Ismail showed the importance of rubber in Malaysia.

Luqman Fauzi showed the importance of oil palm industry in Malaysia. 

Many countries have issued stamps that related to chemists, molecular structures & important of chemistry industry. For more info, please read Hydrogen to Copernicium : Postage Stamps as Cultural Icons in the IYC by Daniel Rabinovich.
from  IUPAC official website