Coins of the Indonesian rupiah

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The first coins of the Indonesian rupiah were issued in 1951 and 1952, a year or so later than the first Indonesian rupiah banknotes printed, following the peace treaty with the Netherlands in November 1949. Although revolutionary currency had been issued by the provisional Indonesian government between 1945 and 1949, it had all been formed of paper, for metal were too scarce for the internationally isolated government to use as currency.

Due to high inflation in the late 1950s and early 1960s, no coins were minted after 1961, and that which remained in circulation were effectively worthless.

A devalued 'new rupiah' was issued in an attempt to tame inflation in 1965, with banknotes in denominations all the way from Rp0.01 (1 cent) up to Rp100 - no coins were struck at this time. By 1971, however, the economy, and inflation, under Suharto's New Order was stable, and coinage was once again issued, in denominations of Rp1, Rp5, Rp10, Rp25 and Rp50, with Rp100 coins added two years later. Due to inflation, the current coinage now consists of Rp25, Rp50, Rp100, Rp200, Rp500 and Rp1,000, although older Rp1 coins remain officially legal tender for completeness.

Unlike coinage of the Netherlands Indian gulden (which in higher denominations were made of silver or gold), circulating rupiah coinage has always been formed of base metal.