Environmental Damage In 1986, fellow dealer Bruce L. submitted his Uncirculated 3-cent silver to a grading service for their grade evaluation. They returned it as ungradeable due to having environmental damage. It's problem? Original toning.
environmental damage: damage to a coin caused by the elements (pollution, moisture, and excess oxidation).
error: a coin that results from a mistake in the coining process.
environmental damage
Corrosion-effect seen on a coin that has been exposed to the elements. This may be minor, such as toning that is nearly black, to major - a coin found in the ground or water which has severely pitted surfaces.
Environmental Damage
An alteration of the coin caused by exposure to a corrosive chemical, gas or substance which has pitted, abraded or altered the coins surface, but, unlike in CLEANING, unintentionally.
environmental damage
Damage seen on a coin that has been exposed to the elements
error ...
environmental damage
Corrosion, such as a pitted surface or toning that is caused by a coined exposed to the elements.
E Pluribus Unum ...
Environmental damage
Damage to a coin resulting from exposure to environmental conditions.
E. Pluribus Unum ...
Environmental Damage - This is a catchall phrase for any defect which isn't mint caused, and isn't covered in the other categories. Some examples include corrosion, porosity, and PVC that has eaten into the coin's metal.
"Environmental Damage" or "Questionable Toning" or "PVC" [See PVC]--or one of several other letdowns from the eagerly anticipated record-breaking grade--are typical reasons. The grading service keeps the grading fee. Naturally.
Carbon spots are brown to black spots of oxidation that range from minor to severe -- some so large and far advanced that the coin is not graded because of environmental damage.
Storage to Prevent Coins Suffering Environmental Damage
A key requirement when storing your coins is that they remain in the same physical condition they were in when you bought them.
A coin that is basically non-collectible due to its extremely bad condition. A coin that will not even qualify for a grade of Poor-1, usually because of extensive environmental damage or other post-striking damage.
cupro-nickel ...
are 75 percent copper) and silver coins (which are 10 percent copper). Carbon spots are brown to black spots of oxidation that range from minor to severe - some so large and far advanced that the coin is not graded because of environmental damage.
a 2002 survey of PNG and ICTA members in terms of grading accuracy and ability to detect altered, repaired, damaged, cleaned, and counterfeit coins. It uses Intercept Shield slabs designed to protect coins from toning and other environmental damage ...
your choices: Low-value tokens and coins can be put into inexpensive coin envelopes or tubes. Higher-valued coins should be housed in premium holders that will give them a higher degree of protection from handling and possible environmental damage.
not affect grade of coin PLUGGED Hole that has been filled/repaired/dd PTD BUST Pointed Bust POOR Barely identifiable as to date & type, usually has some damage PQ Premium Quality POROUS Pitted surface from environmental damage ...
 See also: Grade, Grading, Damage, Coin, Numismatic
  
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