15 grams from 1967, but from 1970 to 1990, the 1 rand coins were smaller by 1.7 mm and it weighs 12 grams, and the composition was in nickel. 1989–2022 New coinage was introduced beginning with a R2 denomination (initially known colloquially as a "De Klerk"), adding a R5 coin, and replacing all the denominations of the previous coinage. Initially the coins bore the coat of arms and the name of the country in English and Afrikaans from 1990 to 1995. After 1996, the coins carried the name in one of the country's 11 new official languages. The 10, 20 and 50 cent coins were slightly redesigned by enlarging the numerals of the coin's denomination. From 2000 coins carried South Africa's new coat of arms. From 2002, R1, R2 and R5 coins carried the country's name in two of the official languages. Minting of 1c and 2c coins ceased at the end of March 2002. Minting of the 5c coin ceased on 1 April 2012, and the 10c coin, previously minted in bronze-plated steel, has since then been minted in copper-plated steel. The 5c coins are still legal tender, but have more or less disappeared from circulation, and most transactions are rounded to the nearest 10c. A bi-metallic R5 coin with added security features, including a grooved edge and micro-lettering on the reverse, was introduced in 2004. The gold Krugerrand coin is produced in 1/10 oz, 1/4 oz, 1/2 oz and 1 oz denominations. The silver Krugerrand was first introduced in 2017 to commemorate 50 years of the Krugerrand. The 2017 silver Krugerrand has a commemorative inscription on the reverse. Since 2018, the silver Krugerrand has been struck, but these do not have a commemorative inscription. Commemorative 5 rand coins were circulated in 2008 for Nelson Mandela's 90th birthday, in 2011 to commemorate 90 Years of the South African Reserve Bank, and in 2015 for the 200th anniversary of the Griqua coinage, the first coinage issued in South Africa. These coins are the same in size and shape as the 5 rand that was introduced in 2004, but have different features. The Griqua Town coin has a bird and has the years 1815 and 2015 on the reverse, and the South African coat of arms and the acronym SARB on the obverse. Commemorative 2 rand and 5 rand coins were also circulated in 2019 to mark 25 years of democracy.