Greek drachma Union collapsed due to World War I. Between 1926 and 1930, a new coinage was introduced for the new Hellenic Republic, consisting of cupro-nickel coins in denominations of 20 lepta, 50 lepta, 1 drachma, and 2 drachmae; nickel coins of 5 drachmae; and silver coins of 10 and 20 drachmae. These were the last coins issued for the first modern drachma, and none were issued for the second. Notes were issued by the National Bank of Greece from 1841 until 2001 when Greece joined the Euro. Early denominations ranged from 10 to 500 drachmae. Smaller denominations (1, 2, 3 and
Euro Currency Index Euro Currency Index (ECX, also EURX or EXY) was launched on 13 January 2006 by the New York Board of Trade (NYBOT) and calculated back to 2001. In 2007, the IntercontinentalExchange (ICE) based in Atlanta (USA) changed the name of the stock exchange in IntercontinentalExchange The index was a ratio that compared the value of the Euro by a currency basket of five currencies: US-Dollar (31.55 percent), British Pound (30.56 percent), Japanese Yen (18.91 percent), Swiss Franc (11.13 percent) and Swedish Krona (7.85 percent). The ECX was the geometrically weighted average compared to these currencies. The formula for the calculation