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
Unit of account L.S.D units in ratio 240:12:1. The Florentine gold florin, the French franc and the electoral rheingulden all became pounds (240 denari) of account. Units of account would often survive over 100 years despite the original coins changing composition and availability (e.g. the Castilian maravedi). A modern unit of account is the European Currency Unit, used in the European Union from 1979 to 1998; its replacement in 1999, the Euro, was also just a unit of account until the introduction of notes and coins in 2002. Unit of account is the main way of calculating a carrier or ship owner's liability