Numismatic Dictionary

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There are 18 names in this directory containing the search term toning. Clear results.
artificial toning
Term describing the coloring of a coin by using a chemical on its surface.The lowest price of a particular coin issue and grade offered for sale. See also bid.

bag toning
Coloring from the oxidation of a coin’s metal caused by a reaction with the cloth bag the coin was stored in.

brilliant proof
A proof coin with mirrored surfaces and no toning.

envelope toning
Colorization caused by storing coins in small manila coin envelops.

holder toning
Any toning acquired by a coin as a result of storage in a holder.

Iridescent
Refers to the multi-colored, rainbow-like toning on a coins surface, especially of a silver coin.

Mint Set toning
Term referring to toning acquired by coins after years of storage in the original holders as packaged by the mint.

mottled toning
Uneven toning, usually characterized by splotchy areas of drab colors. See also toning.

original
Referring to any aspect of a coin that retains its original state. Original toning means natural, not retoned or cleaned. Original luster means undisturbed luster that has not been enhanced through artificial methods.

original toning
Referring to the toning a coin that has never been cleaned or dipped.

oxidation
The formation of oxides or tarnish on the surface of a coin, token or medal from exposure to the environment. See also toning.

patina
Synonym for toning.

peripheral toning
Coloring around the edge of a coin.

rainbow toning
Toning which is usually seen on silver dollars stored in bags. A full spectrum of colors is represented; beginning with yellow, then green, to red, to blue, and sometimes even black.

splotchy toning
Color that is uneven in both shade and composition.

target toning
Term used for coins with rings of coloring that fade toward the center, creating the effect of an archery target.

tissue toning
The toning is caused by sulfur in the paper reacting with coins stored in original Mint paper.

toning
A slow, natural and normal process by which a coin oxidizes over a number of years from contact with the environment. Coins that have been naturally toned are not considered errors.

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