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Learning Guide
Coin Collecting

Coin Collecting

Collecting coins is one of the world’s oldest hobbies and experiences that continues in popularity today. Learn more about the best ways to start, organize, or sell your collections today.

New Mexico State Quarter Errors 

New Mexico State Quarter Errors 

New Mexico quarter errors from 2008 fall into two documented groups, attributed doubled die varieties and missing clad layer coins.…
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Massachusetts State Quarter Errors 

Massachusetts State Quarter Errors 

The 2000 Massachusetts quarter sets the Minuteman statue against the state outline. The Mint struck it in large numbers at…
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Idaho State Quarter Errors

Idaho State Quarter Errors

The 2007 Idaho quarter sets a peregrine falcon above the state outline beside the motto Esto Perpetua. A scarce few…
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All Coin Collecting Resources

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What are the Major 1985 Nickel Errors? 

Explore major 1985 Jefferson nickel errors, including off-center strikes, wrong planchets, double strikes, rarity, values, and how to identify them.
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The obverse and reverse of a 1819 Great Britain Silver Half Crown George III against a pastoral backdrop.

What’s a Half Crown?

The British Half Crown traces more than four centuries of monetary history, from its Tudor gold origins to its final cupro-nickel issues before decimalization. Its
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Three pieces of eight of varying quality against a canyon background.

What is a Piece of Eight?

The Spanish silver dollar, or piece of eight, powered global trade for centuries and served as the weight and silver standard for early U.S. coinage.
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Liberty coin and George Washington quarter with "In God We Trust" inscription.

“In God We Trust” on U.S. Currency: Origins and History  

The motto “In God We Trust” was born in wartime and cemented in law. Its place on U.S. currency reflects the nation’s struggle to balance
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How Many Pennies Are in Circulation?

The U.S. one-cent coin, the penny, has circulated since 1793. With an estimated 240 billion pennies currently circulating, their production has become increasingly controversial due
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Why Are Ancient Coins So Cheap? 

Ancient coins are cheap thanks to their abundance, variety, and historical value over intrinsic value.
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Parts of a Coin 

Did you know there are 18 different parts of a coin? In this article, we break down the anatomy of coins and the purpose of
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Why Are Some Canadian Coins Magnetic? 

Some Canadian coins are magnetic due to their nickel content. Canada, as a significant nickel producer, adopted it in currency to offset rising silver costs.
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Blue Book vs. Red Book – Understanding Their Role in Numismatics 

The Red Book and Blue Book are two of the most trusted guides in numismatics, but they serve different purposes. While the Red Book provides
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A Guide to Loonies and Toonies 

Learn more about the history of Canadian loonies and toonies, how they were designed, and their popularity today.
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What is the Flowing Hair Dollar? 

This Answer explores the history and design of the Flowing Hair dollar and provides context for the 2024 reissue.
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How Should I Begin Collecting Swedish Krona Coins? 

This guide explores gold and silver kronor coins, their precious metal content and historical significance, and provides practical steps to build a collection.
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What is a Farthing? 

This Answer explains the English farthing and describes some of the changes to its design over its centuries of issue.
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Is There a Mark Twain Gold Coin? 

This Answer explores Mark Twain gold coins, focusing on the 1981 Mark Twain Gold Commemorative Arts Medal, the reason it was issued, and considers why
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Can I Get a Coin Re-Slabbed? 

Have your graded coin slabs ever cracked or broken? This Answer details the steps you need to take to get it re-slabbed.
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Was There a Gold Mayflower Coin? 

This Answer explains the issue, design, and collectability of the 2020 gold Mayflower coin.
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What are Chopmarks?

This Answer explains the use of chopmarks on coins, exploring why these stamps and chops were necessary and explaining how they were made.
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What is the 1973 Bicentennial Commemorative Sterling Medal? 

This Answer covers the 1973 Bicentennial Commemorative Medal and breaks down its design and its issuance amid the build-up to the 1976 Bicentennial of the
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Was There an 1883 Hawaii Quarter? 

Although it became the 50th state in 1959, have you ever seen an 1883 Hawaii quarter? This Answer explains the context for the issuance of
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What is a Godless Dollar? 

This Answer explains how one coin earned the nickname “godless dollar” and how both the citizens and Congress of the United States responded.
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What is a Privy Mark?

This Answer explains privy marks, how they are used, and provides several notable examples of recent coins with privy marks.
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What’s a Half Crown?

The British Half Crown traces more than four centuries of monetary history, from its Tudor gold origins to its final cupro-nickel issues before decimalization. Its
Read More

What is a Piece of Eight?

The Spanish silver dollar, or piece of eight, powered global trade for centuries and served as the weight and silver standard for early U.S. coinage.
Read More

Parts of a Coin 

Did you know there are 18 different parts of a coin? In this article, we break down the anatomy of coins and the purpose of
Read More

What are Chopmarks?

This Answer explains the use of chopmarks on coins, exploring why these stamps and chops were necessary and explaining how they were made.
Read More

More Guides for You

What is Bullion?

Gold, Silver, Platinum, and Palladium all come in various forms and sizes to create a variety of options for investors and collectors.  

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What Is an Eagle

Since the U.S. Mint’s American Eagle program began in 1986, Gold and Silver Eagles have remained a popular choice among both investors and collectors

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