Letter T

Taler or Thaler

Common name for various European dollar-sized silver coins; predecessors to the dollar.

Three Cent Nickel

U.S. nickel and silver coin (1869-1889), issued to retire three-cent fractional notes.

Three-Dollar Gold Piece

U.S. gold coin (1854-1889).

Tola Bar:

Gold bars measured in tolas, an Indian unit of weight. 1 tola is equal to 180 grains or 0.375 troy oz. (11.7 grams).


Also patina. Coloration upon the surface of a coin caused by the chemical combination of the metal in the coin with other elements over a long period of time, due to place of storage or the sulphur from a paper envelope.


A large private equity firm that builds its business on leveraged buyout, growth capital and leveraged recapitalization investments.

Trade (v.)

Transfer of the ownership of goods or services in exchange for money goods or services.


A person or company who buys and sells financial instruments such as stocks, bonds, and commodities.


System of weight primarily used in the United States for precious metals.

Troy Ounces

A unit of weight equal to 1.09711 ordinary or avoirdupois ounces. One troy ounce equals 31.1035 grams or 480 grains.

Troy pound

A traditional unit of weight equaling 12 troy ounces.


A plastic container used to store coins or rounds.

Two-Cent Piece

U.S. copper coin (1864-1873).


Major subdivision of a design within a particular denomination; a design change.

Type Set

A type set incorporates all coins sharing single specific characteristics. For example, an American gold type set features one example of each type of all gold coins issued by the U.S. Mint from 1795-1933.