Designer João Machado has created, for CTT (Portuguese postal service), the first cork stamp in the World. It is said to be almost sold out and there are no plans for a second edition of the stamp. The tree depicted is a sobreiro (I'm not sure how you call it in English, in Latin it's Quercus suber), basically it's tree from witch you take out the cork. Portugal is the world's biggest cork producer.
Via: ptFOLIO
Source URL: https://unknowablejourney.blogspot.com/search/label/portuguese%20postal%20service
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