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Platinum coins are a form of currency. Platinum has an international currency symbol under ISO 4217 of XPT. The issues of legitimate platinum coins were initiated by Spain in Spanish-colonized America in the 18th century and continued by the Russian Empire in the 19th century. As a form of currency, these coins proved to be impractical: platinum resembles many less expensive metals, and, unlike the more malleable and ductile silver and gold, it is very difficult to work. Several commemorative coin sets have been issued starting from 1978 and became popular among coin collectors. The major platinum bullion coins include the American Platinum Eagle, the Canadian Platinum Maple Leaf, the Australian Platinum Koala, the Isle of Man Noble, the Chinese Platinum Panda, the Austrian Vienna Philharmonic and several series by the Soviet Union and later by the Russian Federation.

History

Platinum was first used for minting coins in Spanish-colonized America. Following the discovery of platinum in gold rocks, the Spaniards were unable to use it for a long time because they had no technology for processing this metal. The then-cheap platinum was used for various kinds of frauds, such as substituting it for the more expensive silver. After the discovery that platinum alloys with gold, counterfeiters began to add it to gold coins. The platinum confiscated from counterfeiters was likely thrown into the sea, in accordance with the royal decree of 1735, however this is not confirmed, and it may be that only a few kilos were ever thrown into rivers. Later, the practice of adding platinum to gold as a ligature was adopted by the authorities in Spain in order to lower the gold content of coins.^[1] Also in Spain, in the mid-19th century, counterfeiters began producing British Sovereigns out of a gold-plated alloy of platinum and copper, relying on a similar specific weight of platinum and gold.^[2]

In 1814, the United States struck a pattern half dollar in platinum.

In the late 1820s, the British Royal Mint produced several trial coins as part of experiments on the use of platinum in coins. One of these coins has the same diameter as a farthing and a weak relief owing to the high hardness of platinum. The 1812 Pattern 9 Pence Bank Token (S3773A) was used for the obverse and the farthing of 1825 for the reverse parts of this coin. No dies were manufactured for these experiments, so expired dies of the corresponding coins were used instead. Coins minted using dies from two different coins are called mules. The coin bears the year of 1825, but was likely printed at a later date. Like all test coins, the platinum farthing has a high historic and numismatic value. This coin is also interesting because it features the portrait of the already deceased monarch George III (1738–1820).^[3]

The only case when platinum coins were used as a regular national currency^[4] was in Russia, where coins were circulated between 1828 and 1845. These coins proved to be impractical: platinum resembles many less expensive metals, and, unlike the more malleable and ductile silver and gold, it is very difficult to work. However, merchants valued platinum coins because it did not melt in fires like gold or silver.^[5] The minting of platinum coins resumed only after 130 years. Between 1977 and 1980, in preparation for the 1980 Summer Olympics, the Soviet Union produced five commemorative coin sets, and since 1988 commemorative platinum coins were issued every year. The practice of regularly issuing platinum coins has continued in modern Russia, and since 1992 the Central Bank of Russia has released 16 sets of platinum coins.^[6]

Since 1983, other countries have begun regular minting of platinum coins.^[7] The most notable examples are the Platinum cat,^[8] and Platinum Noble by the Isle of Man, Canadian Platinum Maple Leaf,^[9] Chinese Platinum Panda and Australian Platinum Koala.^{[citation needed]}

The minting of a trillion-dollar platinum coin was proposed as a solution to the 2023 United States debt-ceiling crisis.

Platinum coin series

Several other countries have issued platinum coins, but only as bullion coins. These coins are considered serial because the design of the reverse and obverse is the same or similar for all the coins of a given year. In addition to similarities in design, these coins are combined in the series because they are issued annually for a period of time. For example, the Platinum Panda was produced from 1987 to 2005, and the American Platinum Eagle from 1997 to 2008.

Country	Name	Release year
United States	American Platinum Eagle	1997–Present
Canada	Canadian Platinum Maple Leaf	1988–1999, 2002
Isle of Man	Platinum Noble	1983–1989, 2016
Isle of Man	Platinum Cat	?
Australia	Platinum Koala	1988–2010
China	Chinese Platinum Panda	1988–2005
Austria	Vienna Philharmonic	2016–Present
United Kingdom	Britannia	2018-Present

Single issues

Many commemorative coins were dedicated to a significant event or anniversary and issued only once. For example, Estonia released a platinum coin in 2008 to honor its 90th anniversary, and Tonga issued 400 platinum coins in 1967 for the coronation of Taufa'ahau Tupou IV.^[1] Other countries that have minted commemorative platinum coins include Bulgaria,^[10] Congo,^[11] Panama,^[12] South Africa, Portugal and France.^[13]

The Estonian issue began on 24 February 2008 – Independence Day – and included silver, gold and platinum coins. The platinum coin was a first for Estonia. Its reverse featured a barn swallow – the national symbol of Estonia – and the obverse showed the national coat of arms. The coin had a face value of 100 Estonian kroons, a platinum purity of 999/1000, a weight of 7.775 grams,^[14] and a diameter of 18.0 mm.^[15] The coin was designed by Tiit Jϋrna and produced by the Mint of Finland with a quantity of 3,000 pieces.^[14]^[16] The opening sale took place in the Hall of Independence at the National Bank, where the independence of Estonia was proclaimed 90 years ago;^[14] 349 coins and 176 sets were sold within three and a half hours.^[17] The entire issue is now sold out.^[18]

Investing in coins and their storage

Platinum coins are a popular investment, and each year the number of such coins sold by Sberbank of Russia increases by 30–50%.^[19] Most experts agree that such investments should have a long-term character, as the rise of the platinum price is relatively slow – about 80% over the last 5 years, except for a rapid rise followed by decline in 2008.^[20] Also, whereas most banks can sell platinum coins, only a few buy them, as this requires evaluation by an experienced professional. For example, only 5% of offices of Sberbank (the major bank of Russia) in the capital city of Moscow redeem precious metal coins.^[21] The selling price is also much affected by visible scratches, spots, patina, and other defects introduced by bad handling.^[22] For this reason, most bullion coins are sealed in transparent plastic right after removal from the press. They are then stored in a dry room with relative humidity below 80% and at temperatures between 15 and 40 °C.^[23] If a coin is removed from its plastic seal, it is recommended not to store it in PVC albums, as PVC molecules gradually break down, releasing organochlorine compounds which produce patina on the coins. These compounds may also form acids by reacting with moisture. Unlike silver, platinum does not corrode.^[24] However, as is true for all unprotected coins, platinum coins are prone to contamination which can be caused even by washing with (chlorine-containing) tap water.^[23]

References

^ ^a ^b N. Kudryashov (2000). Серебришко, которое платина [Silver which is platinum]. Nauka i Zhizn (in Russian). 6. Archived from the original on 12 January 2023. Retrieved 28 December 2010.
^ "Information about platinum coins". Archived from the original on 12 January 2023. Retrieved 13 November 2009.
^ "From the Grading Room: 1825 Great Britain Pattern Farthing Mule, Struck in Platinum". Archived from the original on 4 March 2012. Retrieved 13 November 2009.
^ А. Portnow. "Платиновая трагедия России" [Platinum tragedy of Russia]. Archived from the original on 20 June 2010. Retrieved 4 September 2009.
^ Платиновые монеты [Platinum Coins] (in Russian). coinsrussia.ru. Archived from the original on 30 June 2009. Retrieved 11 October 2009.
^ База данных по памятным и инвестиционным монетам [Database on Commemorative Coins] (in Russian). The Bank of Russia. Archived from the original on 27 September 2009. Retrieved 11 October 2009.
^ "Platinmünze – Noble" (in German). Archived from the original on 12 January 2023. Retrieved 11 October 2009.
^ "Isle of Man Brilliant Uncirculated Platinum Cats". Archived from the original on 12 January 2023. Retrieved 11 October 2009.
^ "Platinum Bullion, Platinum Coins, & Platinum Bars". Archived from the original on 27 August 2009. Retrieved 29 October 2009.
^ "10,000 Leva 1993: Republic of Bulgaria's Association with the European Community – Desislava". Archived from the original on 12 January 2023. Retrieved 2 February 2021.
^ Bruce, p. 2202
^ Bruce, p. 1618
^ Bruce, p. 834
^ ^a ^b ^c Платина республики (in Russian). 28 February 2009. Archived from the original on 11 January 2012. Retrieved 10 September 2009.
^ "MEENEMÜNDID (Commemorative coins of Estonia)" (in Estonian). Eesti Pank – Bank of Estonia. Archived from the original on 13 January 2012. Retrieved 10 September 2009.
^ "Estonian Bank will present three produced to mark the 90th anniversary of the Republic of Estonia commemorative coins". 19 February 2008. Archived from the original on 11 January 2012. Retrieved 10 September 2009.
^ Юбилейные монеты принесли Банку Эстонии за три часа 5,7 млн крон [Commemorative coins have brought to the Bank of Estonia 5.7 million euros within 3 hours] (in Russian). 26 February 2008. Archived from the original on 12 June 2010. Retrieved 10 September 2009.
^ "Sale of banknotes, coins, commemorative sets". Bank of Estonia. Archived from the original on 20 July 2010. Retrieved 10 September 2009.
^ Какие монеты сегодня в цене [What coins are valued today] (in Russian). 1 February 2007. Archived from the original on 17 December 2011. Retrieved 5 October 2009.
^ Инвестиции, инвестирование в монеты. Инвестиционные монеты [Investment, investing in the coins. Bullion coins] (in Russian). Archived from the original on 10 December 2010. Retrieved 5 October 2009.
^ Список дополнительных офисов ОСБ г. Москвы, осуществляющих операции по покупке-продаже монет из драгоценных металлов, покупке-продаже слитков из драгоценных металлов, открытию и ведению ОМС [Branches of Sberbank of Russia in Moscow, performing operations on purchase and sale of precious metal coins] (PDF) (in Russian). Archived (PDF) from the original on 13 March 2012. Retrieved 6 October 2009.
^ Снижает ли стоимость монеты неправильное хранение? (in Russian). Ural Bank of Sberbank of Russia. Archived from the original on 1 September 2011. Retrieved 6 October 2009.
^ ^a ^b Чистка древних монет [Cleaning and storing ancient coins] (in Russian). Archived from the original on 7 September 2009. Retrieved 4 October 2009.
^ Монеты не подлежащая оценке-2 [Coins which are not redeemed] (in Russian). sobirau.ru. Archived from the original on 31 March 2022. Retrieved 4 October 2009.

Bibliography

Bruce, Colin R. & Michael, Thomas (1991). Standard Catalog of World Coins 1901–2000. Krause Publications. ISBN 0-89689-500-9.^{[permanent dead link‍]}
Chester L. Krause; Clifford Mishler (2003). 2004 standard catalog of world coins: 1901–present. Krause Publications. ISBN 0-87349-593-4.