This circulating commemorative coin was issued to celebrate the Lisbon World Expo in 1998. The theme of the fair was "The Oceans, a Heritage for the Future."
The Mediterranean Monk Seal is one of the most endangered mammals, with 500 or fewer individuals remaining. Portugal -- along with Mauritania, Morocco, and Spain -- implemented an official action plan in 2007 to aid in the recovery of the species.
All coin images in Daniel's Coin Zoo are from my personal collection. I collect, research, and personally photograph every coin displayed on this site. PLEASE do not take my images without permission. If you would like to use any coin image you see, just ask me. Thank you.