US Coins

1945 Micro S Mercury Dime Graded by PCGS

The 1945-S Micro S Mercury Dime: A Forgotten Philippine Mintmark and a $25,875 Rarity

US Coins CoinWeek -
The Tiny Mintmark That Turned a 1945 Mercury Dime Into a $25,875 Coin An obsolete mintmark punch returned to service in 1945. Decades later, collectors...
1870-CC Double Eagle. Image: Heritage Auctions / CoinWeek.

1870-CC Double Eagle: The Cash Problem Behind a $1.62 Million Coin

US Coins CoinWeek -
Discover why the 1870-CC double eagle became a major rarity This feature expands on CoinWeek's 1870-CC Liberty Head Double Eagle collector’s guide. The original...
1932-S 25C MS66+ PCGS. CAC

1932-S Washington Quarter: The 25-Cent Coin That Reached $76,250

US Coins CoinWeek -
A 1932-S Quarter Sold for $76,250. In 1934, It Cost 25 Cents In 1934, a collector could still order an uncirculated 1932-S Washington Quarter from...

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Collecting Strategies

Rare Coins Worth Money You Can Find in Pocket Change

Tyler Rossi -
By Tyler Rossi for CoinWeek ..... What to Look for in Pocket Change and While Coin Roll Hunting Coin collectors often start with the simplest source...

Understanding the Rare Coin Market: Why Knowledge Matters More Than Ever

Six Factors that Determine a Coin’s Value : A Beginner’s Guide

Errors & Varieties

Errors and Varieties

Check Your Mint Bags! Three Trump Dollar Missing-Clad-Layer Errors Now Reported

CoinWeek -
The Trump Dollar Error Hunt Is On: How Many More Are Hiding in Mint Bags? Two additional discoveries turn a rare Trump dollar mint error...

New Trump Dollar Error Discovery Has a Copper Face and a $25,000 Asking Price

How Did This Escape the Mint? Major 2004-S Proof Dime Error Found Sealed in Original Proof Set

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Blanchard and Company Gold and Precious Metals

Ancient Coins

Ancient Coins

Ancient Caria: Where Empires Collided and Greek Cities Minted Their Own Identity

Steve Benner -
By Steve Benner for CoinWeek Gods, Empires, and a Boy's Tragic Dolphin: The Extraordinary Coins of Ancient Caria From tiny silver fractions to magnificent tetradrachms, the...

The Odyssey on Ancient Coins: Homer’s Epic Struck in Metal

Athena on Ancient Coins: From Athens to the Edge of the Greek World

World Coins

World Coins

Spain’s Crown Over Liberty: The Remarkable 1834 Peru 8 Reales Counterstamp

CoinWeek -
Spain Put Its Crown on a Silver Coin That Declared Liberty On an 1834 Peruvian silver coin, Liberty stands proudly with a staff and a...

The Gold Quarter That Shouldn’t Exist: Who Put a British Sovereign in a Canadian Mint Press?

Harold I Harefoot’s Silver Penny

Paper Money

Paper Money

Five Dramatic Paper Money Errors You Can Find in Circulation

CoinWeek IQ -
By CoinWeek IQ Paper money may look uniform and precise, but every note begins life as a physical object moving through massive, high-speed printing presses....

The 1928 $10 Gold Certificate Star Note: Rarity, Value, and Historical Importance

1899 $5 Silver Certificate: The Real Story of Running Antelope

R and I Coins

Atlas Numismatics World and Ancient Coins

Bullion

Bullion & Precious Metals

Gold Falls Below $4,000 as the Safe-Haven Trade Turns Upside Down

CoinWeek -
War in the Middle East. Rising oil prices. Stubborn inflation. These conditions often send investors searching for the safety of gold. Yet on Friday, October...

South Africa 2017 Silver Krugerrand : A Collector’s Guide

Bullion Report: China’s Gold Buying Surges as Silver Battles $60

Medals & Tokens

Medals and Tokens

2022 American Liberty Silver Medal: The Mustang That Challenged Lady Liberty

CoinWeek -
Why the U.S. Mint Replaced Lady Liberty With a Bucking Mustang For more than two centuries, American coin designers portrayed Liberty as a woman. Then...

209 Rare Treasures From the 1893 Chicago World’s Fair Head to Heritage Auctions

1901 Pan-American Exposition Medals From the U.S. Mint

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A 9/11 Family, a U.S. Mint Director, and the Half Dollar That Became a Personal Tribute

CoinWeek -
At Ground Zero, a 9/11 Family Met the U.S. Mint Director. Three Days Later, a Coin Followed CoinWeek Exclusive | Twenty-five years after losing an...

One Woman, Five Proof Sets, Two Missing Mintmarks, and a Half Million Dollar Dime

2026 Gettysburg Address Quarter Brings Lincoln’s Historic Words to America’s Pocket Change

Clubs & Orgs

Clubs & Organizations

From Rare Coins to Historic Paper Money: ANA Honors Two Numismatic Leaders for Their Lasting Impact

American Numismatic Association -
Heritage Auctions co-founder Jim Halperin and National Currency Foundation founder Andrew Shiva receive the ANA's 2026 Philanthropy Award for their contributions to numismatics. What does...

The Artist Who Helped Shape Latvia’s Coins and the Historian Who Brings the Past to Life Earn ANA Awards

From Coin World to the Counterfeit Fight: Beth Deisher Returns to ACEF Board

Dealers & Industry

Dealers and Companies

A $115,000 Elizabeth I Gold Sovereign Leads 393 New Atlas Numismatics Listings

CoinWeek -
Tudor Gold Coin, Roman Rivals, and a Royal Wedding Medal: New Atlas Listings Ancient Greek gold, two Roman rivals, an imperial wedding medal, and a...

NGC Takes Over the Coin of the Year Awards in 2027, A New Era for Numismatic Excellence

Whitman Reinvents the Coin Album as Prestige Line Surpasses 125 Versions

Coin Shows

Shows & Conventions

Only Five Known: Rare 1885 Trade Dollar Highlights Whitman Baltimore Coin Expo

CoinWeek -
Free admission, extraordinary auction previews, America’s 250th Anniversary coins, and hundreds of dealers headline the November 12–14 event. An 1885 Trade Dollar, one of only...

Five 1907 Saint-Gaudens Double Eagles Worth $7 Million Headline GACC Show

Eleven 1933 Double Eagles, Shipwreck Gold and $70 Million in Auctions Define ANA 2026 World’s Fair of Money

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Nov 12-13

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Jan 6-10th 2027

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Jan 14-17th 2027

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Recent News & Articles

Shows & Conventions

Only Five Known: Rare 1885 Trade Dollar Highlights Whitman Baltimore Coin Expo

CoinWeek -
Free admission, extraordinary auction previews, America’s 250th Anniversary coins, and hundreds of dealers headline the November 12–14 event. An 1885 Trade Dollar, one of only...
US Coins

The 1945-S Micro S Mercury Dime: A Forgotten Philippine Mintmark and a $25,875 Rarity

CoinWeek -
The Tiny Mintmark That Turned a 1945 Mercury Dime Into a $25,875 Coin An obsolete mintmark punch returned to service in 1945. Decades later, collectors...
Clubs & Organizations

From Rare Coins to Historic Paper Money: ANA Honors Two Numismatic Leaders for Their Lasting Impact

American Numismatic Association -
Heritage Auctions co-founder Jim Halperin and National Currency Foundation founder Andrew Shiva receive the ANA's 2026 Philanthropy Award for their contributions to numismatics. What does...
US Coins

1870-CC Double Eagle: The Cash Problem Behind a $1.62 Million Coin

CoinWeek -
Discover why the 1870-CC double eagle became a major rarity This feature expands on CoinWeek's 1870-CC Liberty Head Double Eagle collector’s guide. The original...
US Coins

1932-S Washington Quarter: The 25-Cent Coin That Reached $76,250

CoinWeek -
A 1932-S Quarter Sold for $76,250. In 1934, It Cost 25 Cents In 1934, a collector could still order an uncirculated 1932-S Washington Quarter from...
More Articles

A 9/11 Family, a U.S. Mint Director, and the Half Dollar That Became a Personal Tribute

CoinWeek -
At Ground Zero, a 9/11 Family Met the U.S. Mint Director. Three Days Later, a Coin Followed CoinWeek Exclusive | Twenty-five years after losing an...
World Coins

Spain’s Crown Over Liberty: The Remarkable 1834 Peru 8 Reales Counterstamp

CoinWeek -
Spain Put Its Crown on a Silver Coin That Declared Liberty On an 1834 Peruvian silver coin, Liberty stands proudly with a staff and a...
Bullion & Precious Metals

Gold Falls Below $4,000 as the Safe-Haven Trade Turns Upside Down

CoinWeek -
War in the Middle East. Rising oil prices. Stubborn inflation. These conditions often send investors searching for the safety of gold. Yet on Friday, October...
Auctions

Rare 1912 Buffalo Nickel Electrotrials Reveal a $122,000 Auction Twist

CoinWeek -
A 1981 Photograph Changes the Story of Rare Buffalo Nickel Patterns An old auction photograph has changed the reported history of a $122,000 set of...
Dealers and Companies

A $115,000 Elizabeth I Gold Sovereign Leads 393 New Atlas Numismatics Listings

CoinWeek -
Tudor Gold Coin, Roman Rivals, and a Royal Wedding Medal: New Atlas Listings Ancient Greek gold, two Roman rivals, an imperial wedding medal, and a...
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