bank paper

noun bank papers

1. uncountable, usually A strong, thin writing paper commonly used for typewriting and correspondence.
2. archaic, uncountable, usually Banknotes in circulation.
3. uncountable, usually Paper specifically designed for use in banknotes. Messrs., Crane and Co., of Dayton, Massachusetts, manufacturers of bank paper, have invented a very simple and efficient method of preserving the denomination of a bill from alteration.