Numismatic Dictionary

All | A B C D E F G H I J K L M N O P Q R S T U V W Y Z
There are 25 names in this directory beginning with the letter T.
target toning
Term used for coins with rings of coloring that fade toward the center, creating the effect of an archery target.

technical grading
The type of grading that relies on certain technical metrics of a coin such as strike, luster and surface preservation.

Territorial Gold
Gold coins and bars privately struck during the various gold rushes.

Thaler
A term used to describe silver European coins usually the size of a U.S. silver (large) dollar. The word is pronounced as "tailor". In some German dialects it is pronounced daler which is where the term dollar is derived.

The Numismatist
The name of the official publication of the American Numismatic Association.

third-party grading service
An independent company that authenticates, grades, attributes and encapsulates coins

three-cent nickel

three-cent piece
A coin minted by the U.S. Mint whose face value is 3-cents. A silver coin was produced 1851 -1872 and nicknamed a trime. Aversion of the coin was produced in nickel from 1865-1889 and was nicknamed a three-cent nickel.

thumbed
Term for a coin that has been doctored in a specific way to hide marks, hairlines, or other disturbances.

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

token
A privately issued numismatic item, generally in metal, with a represented value in trade or offer of service. Tokens are also produced for advertising purposes.

tombac
A type of brass whose alloy consists of 85-percent brass and 15-percent zinc giving it a yellowish color. In 1942 and 1943 Canadian 5 cent coins were struck using planchets made of tombac.

toned
A term used to describe a coin that has some coloring that it did not have when it was issued by the Mint.

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.

tooling mark
A line, usually small and fine resulting from a reworking of the die to remove unwanted elements.

Toonie
The nickname for the Canadian two-dollar coin as a wordplay on two loonies. See also Loonie.

TPG and TPGS
Abbreviation for third-party grading service.

transfer die
A die created by sacrificing a coin for a model.

transitional issue
A coin struck after a series ends or before a series begins. It can also refer to a coin struck with either the obverse or the reverse of a discontinued or upcoming series.

treasure coin
A coin known to have come from a shipwreck, buried, or another hidden source.

Treasury Notes
Currency issued in 1890-1891 used to buy silver bullion and redeemable in gold coin.

trial strike
A coin that has been struck in an attempt to adjust the pressure of the dies. See also die trial. Synonym for a silver three-cent piece.

trime
The nickname for the silver Three Cents coins struck from 1851 through 1873.

type coin
A representative coin, usually a common date, from a particular issue of a specific design, size, or metal.

type set
A collection by type rather than by series. See also date set.

Pin It on Pinterest