HomeNumismatic TermsOleaginous Ink - A U.S. Paper Money Anti-Counterfeiting Tool

Oleaginous Ink – A U.S. Paper Money Anti-Counterfeiting Tool

Black ink representing oleaginous ink - a U.S. paper money anti-counterfeiting tool. Image: Adobe Stock.
Black ink. Image: Adobe Stock.

(n.)

Oleaginous ink is a type of greasy, destructible ink invented in the 1820s by Joseph Dixon (1799-1869) for the purpose of thwarting counterfeiters. When lithographic copying is attempted on a note with oleaginous ink, the transferred print is blurry and unusable. It was one of the first security printing measures used to prevent the forging of United States paper money.

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CoinWeek Notes
CoinWeek Notes
CoinWeek Notes presents expert analysis and insights from Charles Morgan and Hubert Walker, the award-winning editors of CoinWeek.com.

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