Posted by slang on May 26, 2010

Socialist Republic Of Burma's 1966 1,5,10,25 and 50 pya aluminium coins
Above is the modern coinage of the Socialist Republic of Burma. A little bit of history: In 1962 a military coup led to the establishment of the Socialist Republic of the Union of Burma. A new set of aluminium 1,5,10,25 and 50 pya coins, dated 1966 were struck in the name of the Burmese People’s Ban at the Berlin mint. All denominations were with the portrait of Aung San, Burma’s first president(1948). The above form the modern coinage of the country
Posted by slang on April 17, 2010
Below is a beautiful big crown silver thaler portraying the Empress Maria Theresia.

- 1780 Empress Marie Thereissa Restrike coin
The date 1780 seems to denote that it is an old coin but in reality is a restrike date where the date 1780 is the year of her death. This coin which is always dated 1780 was struck at Vienna until 1937 and aso after 1956 to satisfy the demand from the Arab countries. It was also struck in Milan and Venice in the 19th century, at Rome (1935-9) for use in Ethiopia and at Paris(1935-57), London(1936-61), Brussel(1937-57), Bombay(1940-1) and Birmingham (1949-55) as well as Prague and Leningrad until 1975. It has been estimated that more than 800 million coins have been struck. This coin is like the infamous trade dollar which is widely used internationally.

Posted by slang on April 12, 2010
Earlier article on bimetallic coin with photos refers.
The simple answer is that a bimetallic coin is NOT the same as a colorized or plated coin.
A bimetallic coin is manufactured using two separate components of different metals. In modern bimetallic coins, the center component is usually made from one metal, while the outer component consists of a totally different metal.
Interestingly, append below is a bimetallic coin—the 2000 Library of Congress Commemorative Bimetallic Ten Dollar Coin produced by the United States Mint. Note that this commemorative coin was manufactured using both .9995 platinum and .9167 gold. Are we wagering with future prices of two expensive commodities price re: gold and platinum?

2000 Library of Congress Commemorative Bimetallic Ten Dollar Coin MADE UP OF PLATINUM AND GOLD