Grading

Numismatic Guaranty Corporation® (NGC®) has certified an extremely rare pattern 1916 Standing Liberty Quarter. Graded NGC PF 61, it is believed to be only...

CoinWeek Ancient Coin Series by Mike Markowitz ....   FEW TOPICS IN CLASSICAL numismatics provoke more ferocious argument than the grading of ancient coins. Among collectors of...

The excitement of examining a hoard of thousands of Morgan silver dollars By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   One of the very best...

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

Counterfeit 1795 Half Dime Reverse By Max Spiegel –  Numismatic Guaranty Corporation ......   Counterfeit half dimes are not particularly common, but NGC graders recently identified a...

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

CoinWeek Podcast #100: What We Learned at the Revolution: David Hall and John Dannreuther on the early days of PCGS Mobile phone users. Stream this...

1872 Seated Liberty Counterfeit Dollar By Max Spiegel – Numismatic Guaranty Corporation ......   Rough texture and minuscule raised dots within the recesses are clues that...

Shuttle astronaut spent nearly half of 2007 at the International Space Station Numismatic Guaranty Corporation® (NGC®) has announced that American astronaut Clayton Anderson will individually...

What to know before you buy a coin with a Details grade By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   When it comes to grading...

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...

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...

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...

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...

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...

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...

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

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

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...

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...

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...

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...

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...

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

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”...

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...

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)...

 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...

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...