Inconvertible

Inconvertible, they must go to a discount with gold or with the money of outside countries using gold.

New York Times Current History: The European War, Vol 2, No. 1, April, 1915 April-September, 1915 Various

Inconvertible assets, as business men know, are a very inefficacious form of wealth in tight times; and war is always a tight time for a country, a time in which its positive wealth, in the shape of every kind of produce, is of little use, unless by freedom of exchange it can be converted into cash for governmental expenses.

Sea Power in its Relations to the War of 1812 Volume 1 1877