(AHA), except for recipes certified by the Heart-Check recipe certification program or otherwise indicated. If you have or suspect that you have a medical problem or condition, please contact a qualified health care provider.Ĭopyright is owned or held by the American Association, Inc. Always talk to your health care provider for diagnosis and treatment, including your specific dietary needs. However, this site and its services do not constitute medical advice, diagnosis or treatment. Some recipes may be suitable for people who are managing diabetes, high blood pressure, heart disease and/or other conditions or seeking low-sodium, low-fat, low-sugar, low-cholesterol or low-calories recipes. National Hypertension Control InitiativeĪmerican Heart Association recipes are developed or reviewed by nutrition experts and meet specific, science-based dietary guidelines and recipe criteria for a healthy dietary pattern.Pets and Your Health / Healthy Bond for Life.Artificially toned coins are considered damaged and will reduce the value of the coin.Īccurately describing the color of your copper coins will help you build a better collection. However, an expert numismatist will be able to tell if the beautiful toning is natural or artificial. It is easy for coin doctors to use chemicals to replicate beautifully toned coins. Therefore, some of them may be acceptable to be placed into a coin collection.īe careful when purchasing toned coins. However, collectors of ancient coins and Colonial coins realize that some of these coins may not have been stored in optimal conditions. Coin collectors shun these ugly coins, and they will not carry the value of a bright orange or beautifully iridescent toned coin. Improperly storing your coins will also cause this ugly toning. Other coins may turn dark green or have splotchy black areas. A professional numismatist can tell the difference between a naturally toned coin and one that has been "doctored." These artificially toned coins are considered damaged and almost worthless to a serious collector. This is not to say the coins themselves are fake, but there are "coin doctors" that can use a variety of chemistry and physical actions to turn ordinary copper coins into brilliant colors. However, these beautifully toned coins are highly prized by collectors, and they will pay a premium.Īlthough copper coins can tone into a variety of brilliant colors, be careful of fake coins before you buy them. These beautiful tone colors usually happen over long-term storage in less than optimal coin holders.
Others may turn deep red with hints of blue and indigo. Some copper coins may take on an iridescent golden red. These toned coins can be beautiful or ugly. All circulated copper coins are assumed to be "brown."Īdditionally, depending upon the environment where you store your copper coins, the surface of the copper may turn different colors. This color designation only applies to uncirculated copper coins. As this degradation of color occurs, there are varying degrees in which both red and brown colors will exist simultaneously on the surface of the coin. Over time the brilliant orange/red color of a freshly minted copper coin, such as a Lincoln cent, will diminish and fade to a deep chocolate brown color. To accurately grade copper coins, you must be able to describe the color of the copper.
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