Glossary of Numismatic Terms starting with P

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Patina
Surface film or discolouration caused by oxidation sometimes found on older silver, copper or bronze coins.
Pattern
Coin struck from official dies but not intended for circulation, such as for demonstration or specimen test purposes only.
PGCS
Professional Coin Grading Service, a leading third-party coin grading service located in USA.
Piedfort
A coin struck on a blank that is thicker than normal, usually twice as thick. Example: A Piedfort £2 is a £2 coin that is twice as thick. Increases the weight of high value metal coins like silver.
Planchet
Known in the UK as a Blank, this is the (usually) circlular metal disk ready to be used to make a coin.
Pleidiol Wyf i’m Gwlad
Meaning: 'True am I to my country’, from the Welsh National Anthem.
Portrait
Engraving of a person, especially one depicting only the face or head and shoulders. Sometimes called a bust.
Pro Tanto Quid Retribuamus
Meaning: 'What shall we give in return for so much.'  The Motto of Belfast
Proof
Coins specially struck for collectors using polished dies and blanks, giving a mirror finish and raised areas which may be frosted in appearance.
Proof Set
A set of proof coins sold by the mint, usually connected by a date or theme, like a 2001 sovereign set. See the Royal Mint Proof Sets Section.

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UK On eBay UK:
1970 to 1982 ROYAL MINT UNITED KINGDOM PROOF COIN SET - CHOOSE YOUR YEAR!
1970 to 1982 ROYAL MINT UNITED KINGDOM PROOF COIN SET - CHOOSE YOUR YEAR!
£ 19.99
2022 PROOF Shield Coins - 20p 10p 5p 2p 1p - From Royal Mint Annual Coin Set
2022 PROOF Shield Coins - 20p 10p 5p 2p 1p - From Royal Mint Annual Coin Set
£ 12.95
 Brilliant Uncirculated £1 One Pound Coins 1983 -2015 Choice of Year - UNC
Brilliant Uncirculated £1 One Pound Coins 1983 -2015 Choice of Year - UNC
£ 6.99
The 2022 United Kingdom Brilliant Uncirculated Definitive Coin Set - Pre Order
The 2022 United Kingdom Brilliant Uncirculated Definitive Coin Set - Pre Order
£ 24.95
ROYAL MINT THE SOVEREIGN 2018 THREE COIN  GOLD PROOF  SET #0031
ROYAL MINT THE SOVEREIGN 2018 THREE COIN  GOLD PROOF  SET #0031
£ 850.00
2011 Proof Set in Box. 14 Coins Including the Duke of Edinburgh £5. Rare Set
2011 Proof Set in Box. 14 Coins Including the Duke of Edinburgh £5. Rare Set
£ 132.50
ROYAL MINT BOXED 2001 STANDARD U.K. PROOF SET OF 10 COINS WITH CERTIFICATE
ROYAL MINT BOXED 2001 STANDARD U.K. PROOF SET OF 10 COINS WITH CERTIFICATE
£ 36.50
10oz Queens beast Box With 11 slots to hold entire set including Completer
10oz Queens beast Box With 11 slots to hold entire set including Completer
£ 110.00

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Glossary of Numismatic Terms

Numismatics is the study of coin collecting and it also has its own language with many words and terms. Our Glossary of Numismatic Terms give the explanation to some of these coin collecting words. To contribute terms please email them to glossary@coinparade.co.uk.