Ano Internacional Das Florestas 2011
(International Year of Forests 2011)
This postcard is made of cork! The back is solid and is where the sender wrote the message.
postmarked in 2011 with the pre-paid stamp you see that was printed on the card. The stamp reads: Floresta para Todos (The Forest is for Everyone)
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Cork is a material that will not let liquid pass through it. Most cork tissue that is harvested for commercial use comes from the Cork Oak Tree, which is found in southwest Europe and northwest Africa. It is used in a variety of products, the most common of which is for wine stoppers. Portugal produces approximately 50% of cork harvested annually worldwide.