Columbia subject headings:
Coin design--United States.
Counterfeits and counterfeiting--United States--Prevention.
Money--United States--Design.
Harvard subject headings:
Coin design--United States.
Counterfeits and counterfeiting--United States--Prevention.
Money--United States--Design.
Princeton subject headings:
Coin design--United States.
Counterfeits and counterfeiting--United States--Prevention.
Money--United States--Design.