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Material Measurement Laboratory / Materials Science and Engineering Division

Thermodynamics and Kinetics Group

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The nickel prototype, which is the same shape and size as a regular nickel, but instead of Thomas Jefferson has a profile of Martha Washington in a mob cap and dummy text instead of "E Pluribus Unum."

Coining Less Expensive Currency

Nickels are ubiquitous in American life, tumbling around in pockets, rolling under car seats, and emerging from the back of dryers to be used over and over for