microprinting: Extremely small lettering difficult to discern with the naked eye, used as an anti-counterfeiting device on paper money.
microprinting In coin collecting terms extremely small lettering difficult to discern with the naked eye, used as an anti-counterfeiting device on paper money.
1990: Anti-counterfeiting features are added: microprinting around the portrait, and a plastic strip embedded in the paper.
Microprinting in the numeral in the note's lower left-hand corner and on Benjamin Franklin's coat. Concentric fine-line printing in the background of the portrait and on the back of the note. This type of printing is difficult to copy well.
On modern currency one can find microprinting, security threads, watermarks, and other devices which are meant to serve the same purpose in our more technologically advanced (but artistically diminished) age.
See also: Counterfeit, Gold, Issued, Reverse, Currency
 
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