The krone was the official currency of Austria-Hungary from 1892 until the dissolution of the empire in 1918. The subunit was one hundredth of the main unit, and was called a Heller in the Austrian and a fillér in the Hungarian part of the Empire.
Image: AHK 100 1912 obverse
Image: Austria 1908 100 Kronen
Two coronæ coin, 1913
10 Fiume krone provisional banknote (1920)
A gold standard is a monetary system in which the standard economic unit of account is based on a fixed quantity of gold. The gold standard was the basis for the international monetary system from the 1870s to the early 1920s, and from the late 1920s to 1932 as well as from 1944 until 1971 when the United States unilaterally terminated convertibility of the US dollar to gold, effectively ending the Bretton Woods system. Many states nonetheless hold substantial gold reserves.
Gold certificates were used as paper currency in the United States from 1882 to 1933. These certificates were freely convertible into gold coins.
The British gold sovereign or £1 coin was the preeminent circulating gold coin during the classical gold standard period.
Huge quantities of $20 double eagles were minted as a result of the California gold rush.
William McKinley ran for president on the basis of the gold standard.