Trial of the Pyx

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A view of the inside of Goldsmiths' Hall, a long table surrounded by jurors test coins
Trial of the Pyx in the Livery Hall at Goldsmiths' Hall

The Trial of the Pyx (

coins from the Royal Mint conform to their required dimensional and fineness specifications.[1]
Although coin quality is now tested throughout the year under laboratory conditions, the event has become an annual historic tradition. Each year, thousands of coins are put on trial, consisting of both those struck for circulation and non-circulating commemorative coins.

First held in the 12th century, the event takes place in the hall of the

Greek πυξίς, pyxis
meaning 'wooden box'.

History

According to records from the Dialogus de Scaccario, in 1179 the weight and fineness of coinage received by England's Exchequer was examined for regulatory purposes under the supervision of the Baron of the Exchequer. At this time the Master of the Mint was ordered to put aside one coin for every ten pounds of silver minted so that they might be tested every three months. Found in the Red Book of the Exchequer, a section thought to be written in May 1279 titled "forma nova monete" ("A new form of currency") set forth procedures for a regular series of trials whereby the Master of the Mint became liable for failings in the currency standards. Coins were to be put into a box with two keys, each held by the master and warden and its contents tested four times a year.[2]

In 1282, in the reign of

Acts of Parliament. Specific procedures are established by Order in Council, the most recent being the Trial of the Pyx Order 1998,[3] which was amended in 2005,[4] 2012[5] and 2016.[6] It is not required for a new Order to be issued for each Trial: this is required only to implement regulatory revision.[citation needed
]

Prior to the Coinage Act 1870 trials took place at the Palace of Westminster and coins were stored in Westminster Abbey's Pyx Chapel. The Act moved the venue for the trial to Goldsmiths' Hall, the headquarters of the Worshipful Company of Goldsmiths who carry out the testing.

Procedure

Every year around February, the event begins with a meeting held in

His Majesty's Treasury. Where and when a trial is to take place is at the Treasury's discretion, though there must be a trial in any year during which the Royal Mint
issues coins.

Coins to be tested are drawn from the regular production of the Royal Mint. The Deputy Master of the Mint must, throughout the year, randomly select several thousand sample coins and place them aside for the Trial. These must be in a certain fixed proportion to the number of coins produced. For example, for every 5,000 bimetallic coins issued, one must be set aside, whereas for silver

Maundy money
the proportion is one in 150.

The jury is composed of at least six assayers from the Company of Goldsmiths. They have two months to test the provided coins, and decide whether they have been properly minted. Criteria are given for diameter, chemical composition and weight for each class of coinage. Depending on the number of coins being assayed there are a varying number of jurors needed. Sitting along a table, the jurors are handed packets of up to 50 coins, by a Royal Mint official, which they must count. Each juror selects one coin from the pile, places it in a copper bowl and it is then sent to be assayed. The remaining coins are either sent to be weighed or weighed at the table. Smaller denomination coins that are more numerous are counted by machine.[8]

At the company's assay office, the coins which were placed in the copper bowls are melted down and formed into plates where their fineness and weight can be compared against a corresponding trial plate which acts as a benchmark. After three months of testing, a ceremony presided over by the King's Remembrancer is held, when the final verdict is given. Attending the event and receiving the verdict under the capacity as Master of the Mint is the Chancellor of the Exchequer or his Deputy Master, the Chief Executive of the Royal Mint.[9]

If the coinage is found to be substandard, the trial carries a punishment for the Master of the Mint of a fine, removal from office, or imprisonment. The last master of the mint to be punished was Isaac Newton in 1696,[1] though he later showed that the mistake originated in a faulty reference.[10]

List of trials

Prior to the Coinage Act 1971 which ordered a trial to be held at least once a year, trials were carried out in no particular order and often covered the coinage of multiple years.

Trials

  • 1281
  • 1312
  • 1318
  • 30 October 1349
  • 30 October 1362
  • 30 October 1365
  • 18 February 1414
  • 14 October 1425
  • 14 October 1427
  • 27 October 1432
  • 1 November 1432
  • 1 December 1475
  • 26 October 1523
  • 4 June 1527
  • 21 November 1527
  • 20 May 1530
  • 1 March 1533
  • 30 October 1534
  • 16 June 1542

Trials during the reign of Elizabeth II

Trials were held in every calendar year of the reign of Elizabeth II, starting in 1952.

Year Notes
1993 60,000 coins tested
2009 81,829 coins tested[11]
2011 81,829 coins checked (Mint report 2011-12)
2014 40,000[12]
2015 70,000[13]
2016 95,000[citation needed]
2017 35,000[7]
2020 23,000

See also

References

  1. ^ a b Thomas, Daniel (7 February 2023). "British coins tested for quality in 700-year-old 'Trial of the Pyx'". Financial Times. London. Retrieved 25 February 2023.
  2. ISBN 978-1107014947
    .
  3. ^ Trial of the Pyx Order 1998
  4. ^ The Trial of the Pyx (Amendment) Order 2005
  5. ^ The Trial of the Pyx (Amendment) Order 2012
  6. ^ The Trial of the Pyx (Amendment) Order 2016
  7. ^ a b Greenhalgh, Hugo (31 January 2017). "Quality of Britain's coins tested as ancient Trial of the Pyx starts". Financial Times. Retrieved 28 June 2017.
  8. ^ "The Trial of the Pyx". Goldsmiths' Company. Retrieved 28 June 2017.
  9. ^ "The History of the Trial of the Pyx". Royal Mint. Retrieved 28 June 2017.
  10. ^ Desborough, Jane (4 January 2020). "Isaac Newton and the Royal Mint". Science Museum. Retrieved 12 October 2023.
  11. ^ "Inside The Trial Of The Pyx". londonist.com. 10 February 2009. Retrieved 28 June 2017.
  12. ^ Oliver, Dan (12 February 2014). "Trial of the Pyx: Putting the Pyx on Trial". Coins Weekly. Retrieved 24 December 2020.
  13. ^ Osborne, Hilary (3 February 2015). "Britain's coins go on trial at ancient ceremony". The Guardian. Retrieved 28 June 2017.

External links

UK legislation

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