Columbia subject headings:
Coinage--United States.
Counterfeits and counterfeiting--United States--Prevention.
Money--United States.
United States Mint.
United States. Bureau of Engraving and Printing.
Harvard subject headings:
Coinage--United States.
Counterfeits and counterfeiting--United States--Prevention.
Money--United States
United States Mint.
United States. Bureau of Engraving and Printing.
Princeton subject headings:
Coinage--United States.
Counterfeits and counterfeiting--United States--Prevention.
Money--United States.
United States Mint.
United States. Bureau of Engraving and Printing