At 2. 5 troy oz ( 78 g ) gold, this is the largest ( by weight ) coin ever produced by the U. S. Mint.

This was the first $ 50 coin issued by the U. S. Mint and no higher was produced until the production of the $ 100 platinum coins in 1997.

Another recent example is the 60 Years of the Second Republic commemorative coin issued by Austria in 2005.

This coin was struck by Alexios during his war against Robert Guiscard.

Jarry once wrote, expressing some of the bizarre logic of ' pataphysics, " If you let a coin fall and it falls, the next time it is just by an infinite coincidence that it will fall again the same way ; hundreds of other coins on other hands will follow this pattern in an infinitely unimaginable fashion ".

In the simplest competition, singles, one of the two opponents flips a coin to see who wins the " mat " and begins a segment of the competition ( in bowling parlance, an " end "), by placing the mat and rolling the jack to the other end of the green to serve as a target.

* American Buffalo ( coin ), a one-ounce 24-karat gold bullion coin introduced by the United States Mint on 22 June 2006

The first international convention for coin collectors was held 15 – 18 August 1962, in Detroit, Michigan, and was sponsored by the American Numismatic Association and the Royal Canadian Numismatic Association.

Casual coin collectors often begin the hobby by saving notable coins found by chance.

By the mid 20th century, with the growing market for rare coins, the Sheldon system was adopted by the American Numismatic Association and most coin professionals in the North America.

* It is a normal number, which means that its digits are equidistributed as if they were generated by tossing a fair coin.

Coins have long been linked to the concept of money, as reflected by the fact that in some other languages the words " coin " and " currency " are synonymous.

In terms of its value as a collector's item, a coin is generally made more or less valuable by its condition, specific historical significance, rarity, quality / beauty of the design and general popularity with collectors.

This means that the value of the coin is decreed by government fiat ( law ), and thus is determined by the free market only inasmuch as national currencies are subjected to various types of foreign exchange markets in international trade.

A coin, by definition, is an object used to facilitate commerce and exchanges.

Payment on these machines is accepted by debit card / credit card, or cash via coin slot and bank note scanner.

A coin minted by P. Accoleius Lariscolus in 43 BC has been acknowledged as representing the archaic statue of Diana Nemorensis.

This practice could be sustained only by requisitioning precious metals from private citizens in exchange for state-minted coin ( of a far lower value than the price of the precious metals requisitioned ).

Thus, churches actually had money-changing tables at which each coin would be examined separately and a token of actual worth given to the layperson so that he or she could be seen by the other parishioners as putting money in the basket during that part of the service.

This was contained within a large box, and only permitted the images to be viewed by one person at a time looking into it through a peephole, after starting the machine by inserting a coin.

There are two sides of a coin for this decision.

The world's smallest known vertebrate, Paedophryne amauensis, sitting on a Dime ( United States coin ) | U. S. dime, 17. 91mm, for scale

The chief coin type, a griffon, is identical with that of Teos ; the rich silver coinage is noted for the beauty and variety of its reverse types.

Treasury notes had full legal tender status and were not convertible for gold through the Bank of England, replacing the gold coin in circulation to prevent a run on sterling and to enable raw material purchases for armament production.

The thermosetting phenolic resin was at one point considered for the manufacture of coins, due to a shortage of traditional material ; in 1943, Bakelite and other non-metal materials were tested for usage for the one cent coin in the US before the Mint settled on zinc-coated steel.

Likewise, as with most collectibles, a coin collection does not produce income until it is sold, and may even incur costs ( for example, the cost of safe deposit box storage ) in the interim.

They may wish to take advantage of a spike in demand for a particular coin ( for example, during the annual release of Canadian numismatic collectibles from the Royal Canadian Mint ).

Archimedes ' principle provided the next link: coins could now be easily tested for their fine weight of metal, and thus the value of a coin could be determined, even if it had been shaved, debased or otherwise tampered with ( see Numismatics ).

Coins made for paying bills and general monetized use are usually used for lower-valued units, and banknotes for the higher values ; also, in many money systems, the highest value coin made for circulation is worth less than the lowest-value note.

Exceptions to the rule of coin face-value being higher than content value, also occur for some bullion coins made of silver or gold ( and, rarely, other metals, such as platinum or palladium ), intended for collectors or investors in precious metals.

Coins may be minted that have fiat values lower than the value of their component metals, but this is never done intentionally and initially for circulation coins, and happens only in due course later in the history of coin production due to inflation, as market values for the metal overtake the fiat declared face value of the coin.

* Constantine I at Trier orders the minting of a new coin, the solidus, in an effort to offset the declining value of the denarius and bring stability to the imperial currency by restoring a gold standard.

Ostia housed a late imperial mint ; this coin of Maxentius was struck there.

The golden dinar was the largest unit ; the imperial tax was one dinar coin, per house, annually.

It would be the Emperor Junna, who favored Kūkai and Esoteric Buddhism who would coin the term " Shingon-Shū " ( 真言宗 ; " The True Word School ") in his imperial decree which officially declared Tō-ji ( 東寺 ) Temple in Kyoto as a purely Shingon temple that would perform official rites for the state.

Because Caracalla's silver coin was a new issue, and he had taken Antoninus as part of his imperial name, an association was made with it, and although the association is certainly false, the name has stuck.

Roman imperial coin with the head of Tranquillina on the obverse, struck c. 241 when her marriage to Gordian III is depicted on the reverse in smaller scale ; the coin exhibits the obverse " head " or front and reverse " tail " or back convention that still dominates much coinage today

Roman imperial coin of Marcus Claudius Tacitus, who ruled briefly from 275-276, follows the convention of obverse and reverse coin traditions

His Verzeichniss der japanesischen und chinesischen Münzen des kaiserlichen Münz-und Antikencabinets ( Catalog of Japanese and Chinese coins in the imperial coin and antique collections ; 1837 ) and Atlas von China nach der Aufnahme der Jesuitenmissionäre ( Atlas of China after the arrival of the Jesuit missionaries ; 1843 ) are finely executed, and deserve mention as specimens of his great liberality.

Many of the sovereigns minted in Australia were for use in India as part of a plan that the gold sovereign should become the imperial coin.

Although there were many equestrian imperial statues, they rarely survived because it was practice to melt down bronze statues for reuse as coin or new sculptures in the late empire.

Among the tasks of the rationalis were the collection of all normal taxes payable in coin and duties, the control of the currency, and the administration of mines, mints, imperial arsenals and worked closely with the magister rei privatae ( manager of imperial estates and city properties ) until about 350, when the res privatae gained autonomy.