Louisiana - 1984 TV is rated/received certificates of:
Finland:K-12
Portugal:M/12
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In 1893. It was called the World's Columbian Exposition. This
was followed in 1933 by the Century of Progress International
Exposition.
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The Louisiana Purchase Exposition gold coin weighed 1.672 grams
and consisted of 90% gold and 10% copper. This means there is
1.5048 grams of gold in the coin or 0.04837 troy ounces.