Referências

• Breen, Walter H. Walter Breen’s Complete Encyclopedia of U.S. and Colonial Coins. Doubleday, 1988.

• Friedberg, Robert S. Paper Money of the United States. 19ª edição, 2014.

• Green, Paul M. Collecting U.S. Paper Money. Whitman Publishing, 2005.

• Taxay, Don. The U.S. Mint and Coinage: An Illustrated History. Arco Publishing, 1970.

• The Professional Coin Grading Service (PCGS). Currency Grading Guide. Acesso em 2025.

• Numismatic Guaranty Corporation (NGC). U.S. Paper Money Guide. Acesso em 2025.

• Sociedade Numismática Brasileira. Revista Brasileira de Numismática, edições variadas.

• Bureau of Engraving and Printing (BEP). History of U.S. Currency. Disponível em: https://www.moneyfactory.gov/history.html

• Official Red Book: A Guide Book of United States Paper Money, 2025 Edition.

Fonte:

Autor do blog: Nilton Romani