Letter D

DCAM

A PCGS grade that indicates a coin has a Deep Cameo appearance.

Date

The year that appears on a coin, which is usually and legally the year of manufacture, although there are some exceptions to this rule.

Debase

Reduce the intrinsic value (bullion content) of a coin, while leaving the face value untouched.

Defective Die

Coins which show raised metal from a large die crack or a small rim break.

Deliverable Bar

These are bars that have been approved with regard to weigh, fineness and hallmark, as a tradable unity on a commodities exchange. In order to retain its status as deliverable, the bar may only be handled by London Bullion Market Association (LBMA) companies or agents.

Delivery

The exchange by which an underlying commodity, cash or other delivery instrument is tendered and received by the contract holder.

Denomination

The currency amount assigned to coins or paper money.

Denticles

The toothlike projections which make up the inner rim on some coins. They were discontinued on most U.S. coins in the early 20th century.

Depository

A location where items are deposited for safekeeping.

Depository or Warehouse Receipt

A receipt or other document that is provided by a depository facility that indicates ownership of a commodity stored in a safe or warehouse.

Derivative

The derivative itself is a contract between two or more parties based upon the asset or assets. Its value is determined by fluctuations in the underlying asset. The most common underlying assets include stocks, bonds, commodities, currencies, interest rates and market indexes.

Designer

Creator of the design featured on a coin or banknote.

Devices

The principal design elements of a coin, such as the head of “Liberty” on the obverse of a silver dollar and the eagle on the reverse, for example.

Die

A coin die is one of the two metallic pieces that are used to strike a coin, one per each side of the coin. A die contains an inverse version of the image to be struck on the coin.

Die Cracks

Raised lines which appear on a coin as a result of that coin having been struck by a cracked die.

Die Rust

Pitting or roughness appearing on a coin as result of that coin having been struck by a rusted die.

Die Scratches

Raised lines which appear on a coin as a result of scratches on the die used to strike that coin. Die scratches (and similarly, die cracks and die clashes) do not diminish the value of a coin nearly as much as scratches acquired after the coin is struck. In many cases, they do not affect the value of the coin at all.

Die Variety

A coin which has different characteristics from all other pieces struck from different dies of the same year. Usually refers to those die varieties which exhibit unusual characteristics which set them apart from their counterparts

Die Wear

The loss of detail on a coin, due to wear on the die used to strike it (rather than wear on the coin itself).

Dime (or Disme)

U.S. silver coin (1796-1964). One-tenth of a dollar. Disme was the term used in 1792. Dimes are now struck in cupronickel.

Dipped

A coin which has been immersed in a mildly acidic or alkaline solution is said to have been dipped. The term dipped is not considered necessary in a catalog description of a coin, unless the dipping has caused noticeable dulling of luster, or an otherwise unnatural appearance (usually on copper coins).

Divisibility

Able to be divided into equal parts.

Dore Bullion

An impure alloy of silver or gold, so named for the Dore furnace which is used at mining facilities that produce it.

Double Eagle

U.S. gold coin (1849-1933) with a face value of $20. One of the most highly recognized coins in the world.

Dollar (U.S.)

U.S. coin issued in silver (first dated 1794), gold (first dated 1849), and cupronickel (first dated 1971). Equal to 100 cents.

Dragon

The Chinese Mint produces these Lunar coins issued depicting a dragon. They represent the Chinese lunar Year of the Dragon.

Ductility (in Plasticity)

An ability to change shape drastically without breaking is called plasticity.