Coin Grading

Welcome to the CoinWeek Coin Grading Page. The introduction of "Third Party Grading" (TPG) into the numismatic marketplace as transformed the hobby. In 1984 the first privately owned grading service was launched and the concept and acceptance of TPG authentication and certification of both classic and modern issue coins is firmly established.

Coin & Currency Grading Services

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World Coins – Affordable Fourpence Silver Groats of King Henry VIII

World Coins – Affordable Fourpence Silver Groats of King Henry VIII

Coin Rarities & Related Topics: News and Analysis regarding scarce coins, markets, and coin collecting #361 A Weekly CoinWeek Column by Greg Reynolds …..   Henry VIII is the most famous king in the history of England, and perhaps had the most impact on history of any English king. His second daughter, Queen Elizabeth I, may […]

By December 8, 2016 0 Comments Read More →
1861-P Paquet Reverse Features in $16 Million Type I Double Eagle Display at January FUN

1861-P Paquet Reverse Features in $16 Million Type I Double Eagle Display at January FUN

Gold Coin Worthy of a King Makes First Appearance in a Decade By Monaco Rare Coins ……   The finest known of only two 1861 Philadelphia Mint Paquet Reverse Double Eagles, graded NGC MS67, has been sold and will be publicly displayed for the first time in a decade during the January 2017 Florida United […]

By December 7, 2016 1 Comments Read More →
Counterfeit Coin Detection – 1793 Flowing Hair Large Cent

Counterfeit Coin Detection – 1793 Flowing Hair Large Cent

Counterfeit large cents – 1793 Flowing Hair Cent – Tooling Marks; Raised Lines By Max Spiegel, NGC ……..   The first coins struck by the United States Mint were the half cents and large cents made in 1793. All half cents from this year bear the left-facing Liberty Cap design, while large cents feature three major […]

NGC: 2016-W Burnished Mint State Silver Eagle Special Designations

NGC: 2016-W Burnished Mint State Silver Eagle Special Designations

The 2016-W Burnished Mint State Silver Eagle will be released on December 1 The US Mint is set to release the 2016-W Burnished Mint State Silver Eagle on December 1. The world’s most popular silver coin, the American Silver Eagle, was introduced in 1986. Burnished Mint State versions were added for the series’ 20th anniversary […]

Counterfeit Coin Detection: 1915-S Panama-Pacific Half Dollar

Counterfeit Coin Detection: 1915-S Panama-Pacific Half Dollar

By Max Spiegel, Numismatic Guaranty Corporation (NGC) ………   Tool marks, soft design details and dull surfaces help NGC graders identify a counterfeit coins, in this case a  1915-S Panama-Pacific Half Dollar. This year marks the 100th anniversary of the Panama-Pacific Exposition, which was held in San Francisco in 1915 to celebrate the opening of the […]

Conveying Wealth and Culture: Ships on World Banknotes

Conveying Wealth and Culture: Ships on World Banknotes

The junk and dhow are two ancient ship models that are prominently featured on banknotes in dozens of countries Images of national pride, of rich history and economic strength, of autonomy and cultural heritage have served to round out and embellish banknotes from all ages and corners of the world. The junk and dhow have […]

Market Whimsy: More Perfect than Perfect – MS-70+ and Beyond

Market Whimsy: More Perfect than Perfect – MS-70+ and Beyond

Ask any retiree or coin collector and they’ll tell you: 70 ain’t what it used to be By Charles Morgan and Hubert Walker …..   Charles and Hubert’s column Market Whimsy, which originally appeared in the American Numismatic Association (ANA) magazine The Numismatist, won the 2016 Numismatic Literary Guild’s award for Best Column, Non-Profit Large Publications. […]

PCGS to Display $10 Million 1794 Dollar, Morelan Registry Set at 2017 FUN

PCGS to Display $10 Million 1794 Dollar, Morelan Registry Set at 2017 FUN

The world’s most valuable coin ever sold at auction, the 1794 Flowing Hair Dollar graded PCGS SP66 and believed by many experts to be the first silver dollar struck by the United States, will be publicly displayed in the U.S. for the first time since it was purchased at auction three years ago for $10 […]

By November 21, 2016 1 Comments Read More →
COINS in UHD: The 10 Best CoinWeek Videos of 2016

COINS in UHD: The 10 Best CoinWeek Videos of 2016

It’s hard to believe that the end is upon us… the end of 2016, that is. With the better part of the calendar year behind us, the editors of CoinWeek felt that it was time to take a look back at a banner year for CoinWeek’s video team. In 2016, CoinWeek fully committed itself to producing […]

By November 18, 2016 0 Comments Read More →
Million Dollar Coins, Part 3: Half Cents

Million Dollar Coins, Part 3: Half Cents

Coin Rarities & Related Topics: News and Analysis regarding scarce coins, markets, and coin collecting #358 A Weekly CoinWeek Column by Greg Reynolds …..   This discussion is about those U.S. half cents that are or were worth more than $1 million each, or may realistically retail for that much in the near future. As markets […]

By November 16, 2016 1 Comments Read More →
NGC – Chinese Coins: The Last Palace

NGC – Chinese Coins: The Last Palace

2016 is the 150th anniversary of Sun Yat-sen’s birth and the People’s Republic of China has just released three coins to commemorate this event By Peter Anthony  – Numismatic Guaranty Corporation …….   It feels like a train station. We weave though the milling crowd in the ticket office lobby. The glass barrier between the […]

Coin Show Commentary: Whitman Baltimore Robust

Coin Show Commentary: Whitman Baltimore Robust

By Jim Bisognani for Numismatic Guaranty Corporation ……   Mintmarked gold hot in Stack’s Bowers sale; Collector on prowl for Gem DPL CC Morgans As we ushered in November, fresh to their temporary digs in Baltimore’s Inner Harbor, dealers and some collectors were busy setting up shop in their respective hotel rooms. As always, many […]

By November 14, 2016 0 Comments Read More →
NGC Red & Gold Display Boxes Are Back

NGC Red & Gold Display Boxes Are Back

NGC Red & Gold Display Boxes are available now! Numismatic Guaranty Corporation (NGC) introduced a red and gold display box last year to much enthusiasm from collectors and dealers around the world. These attractive boxes are now back ― but only until January 31 or while supplies last! Paired together, red and gold symbolize good […]

NGC Registry Sets – A Letter from Mark Salzberg

NGC Registry Sets – A Letter from Mark Salzberg

  The chairman of NGC discusses an important change to the NGC Registry Dear Collectors: In 2017 Numismatic Guaranty Corporation (NGC) will celebrate two important anniversaries: 30 years of NGC and 15 years of the NGC Registry. We have many exciting things planned for this milestone year, including a significant investment to modernize the NGC […]

Counterfeit Coin Detection: 1924-S Buffalo Nickel

Counterfeit Coin Detection: 1924-S Buffalo Nickel

By Max Spiegel – Numismatic Guaranty Corporation ………   The 1924-S Buffalo Nickel is a prime target for counterfeiters. In particular, sharp-eyed graders will pay close attention to additions or other alterations made to the mintmark. Prominent sculptor James Earle Fraser created an iconic design deeply rooted in Western Americana for the Buffalo Nickel, which […]

By November 1, 2016 0 Comments Read More →
NGC: 1715 Plate Fleet Shipwreck Image Gallery Now Online

NGC: 1715 Plate Fleet Shipwreck Image Gallery Now Online

Extra ordinary rare and high-grade coins recovered from the storied 1715 Treasure Fleet shipwreck Numismatic Guaranty Corporation (NGC) has created an online image gallery of nearly 300 rare and high grade gold coins recovered from the shipwreck of the famous 1715 Plate Fleet. The coins were recovered and submitted to NGC by 1715 Fleet – […]

Counterfeit Coin Detection: Spark-Erosion 1874 Three Cent Nickel Die Trial

Counterfeit Coin Detection: Spark-Erosion 1874 Three Cent Nickel Die Trial

Posted by Max Spiegel for NGC ……..   Three Cent nickels were struck in 75% copper and 25% nickel with a silver-gray color, but the coin submitted to NGC appeared to be made entirely out of copper. Numismatic Conservation Services® (NCS®), a professional coin conservation company affiliated with NGC, recently received a coin that the […]

PVC Damage on World Coins – What It Is & How to Avoid It

PVC Damage on World Coins – What It Is & How to Avoid It

By Lance Tchor – Founder and Co-President, WINGS® Coins LLC ……   PVC and coins don’t mix Otherwise known as polyvinylchloride, PVC is found in many different plastic-based products. Despite the fact that the chemical has been identified as a carcinogen and pollutant, it is widely used in an array of industries with relatively benign […]

By October 24, 2016 0 Comments Read More →
NGC Ancients – Thoughts on Collecting Ancient Coins

NGC Ancients – Thoughts on Collecting Ancient Coins

By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ……   Ancient coins are extremely popular because of their historical importance, artistic merit and affordability. This year’s ANA convention was held in Anaheim, California and dealers from the United States and around the world were in attendance. Collectors were there in force, but in numbers that […]

By October 22, 2016 0 Comments Read More →
NGC Ancient Coins: Unusual Bactrian Portraits

NGC Ancient Coins: Unusual Bactrian Portraits

By NGC Ancients …..   The royal busts of the Indo-Greek kings are often adorned with unusual helmets and headdresses Among the most interesting and diverse portraits on ancient ‘Greek’ coinage are those of the Indo-Greek kings of Bactria, a region on the fringe of the Greek world. In addition to the portraits themselves, which […]

Classic US Coins: 1870-S Coins for Budget-Minded Collectors

Classic US Coins: 1870-S Coins for Budget-Minded Collectors

Coin Rarities & Related Topics: News and Analysis regarding scarce coins, markets, and coin collecting #354 A Weekly CoinWeek Column by Greg Reynolds …..   In the realm of classic U.S. coins, the most exciting and mystifying date may be the 1870-S. For collectors who cannot afford one of the rarest silver dollars, the only 1870-S […]

By October 19, 2016 0 Comments Read More →
Market Whimsy: Terminal Point

Market Whimsy: Terminal Point

Every coin except the great rarities has a Terminal Point By Charles Morgan and Hubert Walker …..   Charles and Hubert’s column Market Whimsy, which originally appeared in the American Numismatic Association (ANA) magazine The Numismatist, won the 2016 Numismatic Literary Guild’s award for Best Column, Non-Profit Large Publications. This article consists of two columns that […]

Go For The Gold This Fall – $20 Saints Are Great Value!

Go For The Gold This Fall – $20 Saints Are Great Value!

By Jim Bisognani for Numismatic Guaranty Corporation ……   Heritage Dallas sale rakes in $8.5 Million; Fresh top-grade material captures record prices! Action in the metal market has always translated into heightened demand. As a great trader told me long ago, “There is nothing as powerful as movement, any movement of consequence up or down. […]

By October 13, 2016 0 Comments Read More →
Chinese Pandas – Setting the Bar High in Shenyang

Chinese Pandas – Setting the Bar High in Shenyang

For its 120th anniversary, the Shenyang Mint has unveiled numerous commemorative items, including a half-kilogram silver bar with an enchanting panorama of images from three decades of Panda coins By Peter Anthony  – Numismatic Guaranty Corporation …….   It is late August and summer is already waning in northern China. Under a brilliant blue sky […]

USA Coin Album: Numismatic Lame Ducks

USA Coin Album: Numismatic Lame Ducks

By David W. Lange, Research Director at NGC ……..   In politics, a lame duck is an official whose term of office is concluding and whose successor has already been elected. In effect, this person is seen as no longer useful. This term has a numismatic application as well. Among USA coins there have been […]

By October 13, 2016 1 Comments Read More →
Classic U.S. Coins for Less than $500 Each, Part 24: Barber Dimes

Classic U.S. Coins for Less than $500 Each, Part 24: Barber Dimes

Analysis regarding scarce coins, markets, and coin collecting #353 A Weekly CoinWeek Column by Greg Reynolds …..   The theme here is completing a set of Barber dimes in Very Fine to Almost Uncirculated grades, without spending as much as $500 on any one coin. Naturally toned and pleasant representatives of one or two of the […]

By October 12, 2016 0 Comments Read More →
Counterfeit Coin Detection – 1920 Pilgrim Tercentenary Commemorative

Counterfeit Coin Detection – 1920 Pilgrim Tercentenary Commemorative

Counterfeit coin – 1920 Pilgrim Tercentenary Half Dollar The relatively crude forgery shows extensive loss of detail throughout. By Numismatic Guaranty Corporation ……   In recent years, the “Classic” Commemorative series has become increasingly popular. These coins were first issued in 1892 to celebrate the Chicago World’s Columbian Exposition, with nearly a million Columbian half dollars […]

By October 12, 2016 0 Comments Read More →
NGC Certified Coins: 2016 Ronald Reagan Coin, Chronicles Set Pedigree

NGC Certified Coins: 2016 Ronald Reagan Coin, Chronicles Set Pedigree

NGC will assign the COIN AND CHRONICLES SET pedigree to the coins and medal from this set The Ronald Reagan Coin and Chronicles Set went on sale at noon on October 11. Limited to a maximum of 150,000 sets, it includes a Reverse Proof 2016-S Reagan Presidential Dollar, a 2016-W 30th Anniversary Proof Silver Eagle […]

NGC Ancients – Surface Quality Important for Ancient Coins

NGC Ancients – Surface Quality Important for Ancient Coins

By NGC Ancients …..   The evaluation of surface quality is paramount to establishing the overall quality of an ancient coin. Surface quality plays a significant role in establishing the desirability–and, hence, the value—of coins to collectors. For this reason, NGC Ancients evaluates the quality of a coin’s surface separately from its grade and strike. […]

CoinWeek Podcast #43: Numismatic Books Old and New with Dr. David Fanning

CoinWeek Podcast #43: Numismatic Books Old and New with Dr. David Fanning

CoinWeek Podcast #43: Numismatic Books Old and New with Dr. David Fanning Mobile phone users. Stream this podcast for free by downloading the podomatic app or subscribe to the CoinWeek Podcast on iTunes. Numismatic Bookseller Dr. David Fanning is this week’s guest on the CoinWeek Podcast. Alongside partner George Kolbe – a noted numismatist in his own […]

By October 10, 2016 0 Comments Read More →
 
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