Latvian rublis 1 Rublis, 2 and 5 Rubļi, 10, 20, 50, 200 and 500 Rubļu. This second Latvian rublis was withdrawn from circulation on 18 October 1993, but could be exchanged for lats until 1 July 1994, when it lost validity. and the historic national currency - the "lats" - was reintroduced in 1993, replacing the Rublis at the ratio of 1 lats = 200 Rubļu. The lats was replaced on 1 January 2014 by the Euro, at the rate of 0.702804 Lats to 1 Euro. Latvian rublis The Latvian rublis () was the currency of Latvia from 1919 to 1922 and
Currency mostly paper, but Australia's Commonwealth Scientific and Industrial Research Organisation developed the world's first polymer currency in the 1980s that went into circulation on the nation's bicentenary in 1988. Now used in some 22 countries (over 40 if counting commemorative issues), polymer currency dramatically improves the life span of banknotes and prevents counterfeiting. Currency use is based on the concept of lex monetae; that a sovereign state decides which currency it shall use. Currently, the International Organization for Standardization has introduced a three-letter system of codes (ISO 4217) to define currency (as opposed to simple names or currency signs), in