A coin set, or mint set, is a collection of uncirculated or proof coins, released by a mint. Such sets are usually released annually and often called a...

A challenge coin is a small coin or medallion, bearing an organization's insignia or emblem and carried by the organization's members. Traditionally, they...

coin Coin base weight Coin collecting Coin counter Coin counterfeiting Coin magic Coin sorter Coin standard Currency Hanukkah gelt – Chocolate coin History...

Proof coinage refers to special early samples of a coin issue, historically made for checking the dies (as in demonstrating that something is true) and...

in complete sets of a particular design or denomination, coins that were in circulation for only a brief time, or coins with errors. Coin collecting can...

collections of coins most years since 1936. With the launch of the 50 State Quarters Program in 1999, the Mint began marketing proof sets of just the five...

The 100 yen coin (百円硬貨, Hyaku-en kōka) is a denomination of Japanese yen. These coins were first minted in 1957 using a silver alloy, before the current...

British five pound (£5) coin is a commemorative denomination of sterling coinage. As of October 2022, the obverse of new coins feature the profile of King...

Canada, and later in Canada. Each coin is worth one cent, or 1⁄100 of a dollar. While the official term for the coin is one-cent piece, the terms penny...

billions of coins each year. The main mint is the Philadelphia Mint, which produces circulating coinage, mint sets and some commemorative coins. The Denver...

The 2 euro coin (€2) is the highest-value euro coin and has been used since the introduction of the euro (in its cash form) in 2002. The coin is made of...

The American Silver Eagle is the official silver bullion coin of the United States. It was first released by the United States Mint on November 24, 1986...

Coin grading is the process of determining the grade or condition of a coin, one of the key factors in determining its collectible value. A coin's grade...

a United States dollar coin introduced in 2000, but subsequently minted only for niche circulation from 2002 onward. The coin generally failed to meet...

Uncirculated Coin Set, known as the Uncirculated Set or Mint Set in the United States, is an annual coin set sold by the United States Mint. The set is marketed...

Professional Coin Grading Service (PCGS) is an American third-party coin grading, authentication, attribution, and encapsulation service founded in 1985...

Japanese or lost was dated 1941. The 5 cent coin was last issued in 1979 and minted for uncirculated coin sets in 1988. The following current denominations...

Coin cleaning is the controversial process of removing undesirable substances from a coin's surface in order to make it more attractive to potential buyers...

Numismatics is the study or collection of currency, including coins, tokens, paper money, medals and related objects. Specialists, known as numismatists...

The US Mint uses this definition for the coins in the uncirculated coin set that it sells. For these coins, adjustments are made to the minting process...

numismatics, token coins or trade tokens are coin-like objects used instead of coins. The field of token coins is part of exonumia and token coins are token money...

for good luck. A common way cash coins are used in feng shui is as a set of 5 coins known as the "Five Emperor Coins" (see below), these are often used...

date is a term used in coin collecting and it refers to a date (or date and mint mark combination) of a given coin series or coin set that is harder to obtain...

standard two pound coins have been minted for general circulation since 2016, although examples have been issued in uncirculated sets at a premium. This...

The six-coin set was the first to include the 1⁄25 oz Maple Leaf denomination. Each coin included a double-date of 1979–2004, and the 1 oz coin featured...

collectible coins. This is achieved through obtaining rolled coin, boxed coin, or bagged coin from banks and credit unions. A variant of this practice involves...

Presidential dollar coins (authorized by Pub. L.Tooltip Public Law (United States) 109–145 (text) (PDF), 119 Stat. 2664, enacted December 22, 2005) are...

A commemorative coin is a coin issued to commemorate some particular event or issue with a distinct design with reference to the occasion on which they...

expensive coins. Most of these are auction prices. Several private sale prices over $2m are not in this list yet. "US Double Eagle gold coin sold for record...

for a given set of coin denominations is called the Frobenius number of the set. The Frobenius number exists as long as the set of coin denominations...