Learn Coin Grading From NGC: Prooflike and Deep Prooflike

This new monthly feature in the NGC eNewsletter promotes a better understanding of NGC’s coin grading and designations NGC coin grading uses a numeric grade...

NGC Certifies Newman’s Unique 1792 Washington President Gold Eagle

Numismatic Guaranty Corporation® (NGC®) has certified the late Eric P. Newman’s most cherished coin: the unique 1792 Washington President gold eagle that researchers believe...

CAC Coins Bring Premiums at Sotheby’s Auction of Silver Dollars May...

At the Sotheby’s auction in New York of the Ralph and Lois Stone Collection on May 21, 2018, CAC-approved Morgan silver dollars brought brought...

NGC Ancients: Classic Greek Coins, Part II

David Vagi continues his discussion of the designs of select ancient Greek coins in the second of a multi-part series By David Vagi - Director, NGC...

Cleaned Copper Coins May Be Challenging to Detect

Posted by David W. Lange, NGC Research Director This month Dave discusses the difficulty of detecting cleaned copper and bronze coins My recent column on the...

A Closer Look at 19th-Century Gold – Three Dollar Gold Opportunities

Take a closer look at the 19th-century gold series - including the Three Dollar Gold By Jim Bisognani for Numismatic Guaranty Corporation (NGC) ......   Is time...

The Art of Grading Peace Dollars

By Ron Drzewucki - Modern Coin Wholesale .....   As a professional coin grader for most of my career, I can tell you that for as...

NGC Ancients: Classic Greek Coins, Part I

NGC's David Vagi discusses the design varieties of select ancient Greek coins in this first of a multi-part series By David Vagi - Director, NGC Ancients...

Counterfeit Coin Detection – 1891 Double Eagle US Gold Coin

Counterfeit Coin - 1891 Double Eagle By Max Spiegel –  Numismatic Guaranty Corporation ...... NGC graders identified an 1891-S Double Eagle with a removed mintmark. Because...

Pioneer Gold: Big Potential, Tiny Coins

California Fractional gold coins offer an easier way to connect with the Gold Rush By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   When the Odyssey...

NGC Introduces New Raw Coin Imaging Service

These images are perfect for use in the NGC Registry, on the NGC Chat Boards or in online marketplace listings. The raw coin imaging service...

Counterfeit Coin Detection – 1908-S Counterfeit Indian Head Cent

1908-S Counterfeit Indian Head Cent By Max Spiegel – Numismatic Guaranty Corporation .....   The grading room was recently presented with a 1908-S Indian Head Cent for certification. The...

NGC Ancient Coins – Roman Coin Designs and Origins of the...

Roman coin designs feature mythological accounts of the republic’s origins such as Romulus and Remus depicted above. Like people of almost every civilization, the Romans revered...

Walking Liberty Half Dollars Have Made Impressive Strides

A closer look at collector demand for Ultra-Gem Walking Liberty Half Dollars By Jim Bisognani for Numismatic Guaranty Corporation (NGC) ......   Spring is definitely here, my...

NGC Certifies Very Rare 2016 Silver Eagle Mint Error

The severity of the die clash is among the most dramatic ever seen on a US Mint bullion coin ( Silver Eagle Mint Error...

NGC Experts Identify Missing Mintmark Mint Error on 2014 5oz Silver...

Numismatic Guaranty Corporation® (NGC®) has identified five 2014 Great Smoky Mountains Five-Ounce Specimen coins with a significant mint error: they are missing the “P”...

ANA World’s Fair of Money Coming to Philadelphia

The 2018 World’s Fair of Money® in Philadelphia, Pennslyvania is fast approaching, and so are many of the registration deadlines for the August 14-18...

CSNS – A Great Coin Show and A Great Collector Coin...

The CSNS Coin Show and Coin Auction included amazing American numismatic treasures that predate the US Mint By Jim Bisognani for Numismatic Guaranty Corporation (NGC)...

Counterfeit Coin Detection – 1850 JB Costa Rica Gold Escudo

 A missing skirt is among the clues that this coin isn't real. Only 6,167 Costa Rican gold escudos were struck in 1850, making it a...

PCGS Experts Spot Deceptively Altered Colonial Rarity

A drastically but deceptively altered colonial 1792 Washington Eagle “cent” submitted to Professional Coin Grading Service (PCGS) underscores the alarming skills of some so-called...

What Is a 1999 Delaware State Quarter Worth?

By Charles Morgan and Hubert Walker for CoinWeek ....   Hard to believe but it’s been almost 20 years since the United States Mint inaugurated its...

Counterfeit Coin Detection – A Fake 1861 Type 2 US Gold...

Counterfeit coin - 1861 Type 2 Quarter Eagle By Max Spiegel - Numismatic Guaranty Corporation (NGC) ......   Raised lumps of metal and lack of detail are...

CAC Coins Bring Premiums During March 2018

Coins that have been reviewed and stickered by Certified Acceptance Corporation (CAC) consistently bring premiums over other "non-stickered" coins in the marketplace. Below are...

Sedwick’s Treasure Auction 23 to Feature NGC-Graded Coins, PMG-Graded Notes

A wide variety of treasure, coin rarities and paper money, both NGC-graded coins and PMG-graded notes, are set to draw heavy bidding during Daniel...

Counterfeit Coin Detection – 1883 Seated Liberty Half Dollar

Counterfeit coin - 1883 Seated Half Dollar By Max Spiegel – Numismatic Guaranty Corporation ......   A counterfeit coin 1883 half dollar features a large number...

NGC Confirms Discovery of Fourth Known 1854-S $5 Half Eagle Gold...

“Discovery of a Lifetime” A coin that a New England man originally thought was a counterfeit has been authenticated by Numismatic Guaranty Corporation (NGC) as...

NGC: U.S. Counterfeit Coin Detection – 1857 Half Cent

Problems abound on the obverse and reverse of this crude fake By Max Spiegel – Numismatic Guaranty Corporation ......   The Half Cent denomination that had...

Market Stability – Circulated Classic Modern US Coin Sets A Great...

Consider assembling a lightly circulated 20th-century Classic Modern US Coin series By Jim Bisognani for Numismatic Guaranty Corporation (NGC) ......   The early April weather can be...

What Is a 1969 United States Proof Set Worth?

By Charles Morgan for CoinWeek .....   Next year marks the 50th anniversary of the release of the 1969 Proof Set from the United States Mint....

NGC Named Official Grading Service of National Silver Dollar Roundtable

NGC and the NSDR share a goal of increasing interest in vintage silver dollars Numismatic Guaranty Corporation® (NGC®) has been named the official grading service...