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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Collecting United States Pattern Coinage

Collecting United States Pattern Coinage

If you are looking for a collecting challenge, consider US pattern coinage By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ……   The year 2017 is a great time to consider one the most interesting areas of the rare coin market–United States pattern coinage. The first United States pattern coins were struck 225 years ago […]

NGC Grades 2,000,000 Chinese Coins

NGC Grades 2,000,000 Chinese Coins

Numismatic Guaranty Corporation© (NGC©) has announced that it has now certified 2,000,000 Chinese coins, a first for a third-party coin grading service. This milestone was reached a mere 18 months after NGC had certified 1,000,000 Chinese coins, a reflection of the significant growth that NGC has experienced in China. NGC began operations in China in […]

Counterfeit Coin Detection – 1903-S Added S Morgan Dollar

Counterfeit Coin Detection – 1903-S Added S Morgan Dollar

A prominent area of discoloration around the mintmark is a sign that this Morgan Dollar is a counterfeit. By Numismatic Guaranty Corporation …… The vast majority of the more than 1.2 million Morgan dollars struck at the San Francisco Mint in 1903 entered circulation, either immediately or as they were trickled out from the Mint […]

Ask a Grader with Ron Drzewucki: Toned Coins

Ask a Grader with Ron Drzewucki: Toned Coins

Ever wondered what grading coins is like? Modern Coin Wholesale’s Ron Drzewucki gives CoinWeek the inside scoop By CoinWeek ….   Welcome back for the second installment of Ron Drzewucki’s “Ask a Grader”, exclusively on CoinWeek! If you’re not familiar with Ron, he is the owner/operator of Modern Coin Wholesale. Ron has been a professional […]

Copper Is Golden: Collecting Classic US Large Cents

Copper Is Golden: Collecting Classic US Large Cents

Draped bust large cents reveal grand returns; “Make mine milk chocolate please!” By Jim Bisognani for Numismatic Guaranty Corporation ……   According to the calendar, spring is just around the corner, officially arriving next week. Yet as I sit at my desk researching for this installment, we are being hit by a major winter storm: […]

CoinWeek Podcast #59: PCGS’ Mark Stephenson on the State of the Market

CoinWeek Podcast #59: PCGS’ Mark Stephenson on the State of the Market

CoinWeek Podcast #59: PCGS’ Mark Stephenson on the State of the Market Mobile phone users. Stream this podcast for free by downloading the podomatic app or subscribe to the CoinWeek Podcast on iTunes. In this episode of the CoinWeek Podcast, Professional Coin Grading Service (PCGS) VP Mark Stephenson sits down for an in-depth conversation about the state […]

First US Mint Principal Deputy Director Rhett Jeppson to Autograph NGC Labels

First US Mint Principal Deputy Director Rhett Jeppson to Autograph NGC Labels

Rhett Jeppson, the first Principal Deputy Director of the United States Mint, has agreed to autograph certification labels exclusively for Numismatic Guaranty Corporation® (NGC®). Jeppson helmed the Mint from January 2015 to January 2017 in his capacity as Principal Deputy Director, and on May 19, 2015, he was nominated as Director of the US Mint. […]

Counterfeits – The Battle Begins

Counterfeits – The Battle Begins

The best protection against the threat of counterfeits is to buy coins from a reputable source By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ……   My term as President of the American Numismatic Association (ANA) will expire in August. I have told many friends and business associates that I still have much that I […]

NGC & Chen Gi Mao Form NGC Advanced Vintage Chinese Coins Authentication Bureau

NGC & Chen Gi Mao Form NGC Advanced Vintage Chinese Coins Authentication Bureau

Extremely Rare 1897 Ferracute Szechuan Pattern Set is Certified Numismatic Guaranty Corporation® (NGC®) and noted numismatist Chen Gi Mao have announced that they will form the NGC Advanced Chinese Authentication Bureau (ACAB). The partnership combines the experience and expertise of NGC, a leading third-party coin grading service established in 1987, and Chen Gi Mao, one […]

Return to Bicentennial Coinage: Silver Business Strike Edition

Return to Bicentennial Coinage: Silver Business Strike Edition

By Charles Morgan and Hubert Walker for CoinWeek …..   One of the first pieces that we wrote for CoinWeek discussed Bicentennial quarters. In it, we discussed the nuances of the issue, from strike to Mint State grade distribution of the P- and D-mint coins by PCGS and NGC. We also questioned whether the coin […]

U.S. Rare Coin Market Prepares To Spring Ahead

U.S. Rare Coin Market Prepares To Spring Ahead

Colonials court continued comeback; Hidden values in foreign silver; Near Gem $20 Saints huge bargain By Jim Bisognani for Numismatic Guaranty Corporation ……   I dare not repeat these thoughts out loud as I type… yet after more snow than the abominable himself would care to see has been dumped in my city we have […]

CoinWeek IQ: Grading World Coins at NGC – 4K Video

CoinWeek IQ: Grading World Coins at NGC – 4K Video

CoinWeek finishes its trilogy of on-site grading videos at Numismatic Guaranty Corporation with this exclusive new video that tracks a world coin order from the point of arrival through to when each of the coins is sonically sealed in NGC’s secure holder. You will see NGC’s world class coin graders at work grading an order […]

NGC Instructors at ANA Summer Seminar

NGC Instructors at ANA Summer Seminar

For over 40 years, ANA Summer Seminar has featured classes to suit virtually every collector’s hobby needs The American Numismatic Association’s (ANA) Summer Seminar is a once-a-year opportunity for numismatic scholarship and camaraderie that offers students a varied selection of week-long courses designed for discovery or continued study. You will be exposed to fascinating subjects […]

Counterfeit Coin Detection –  1854-O Arrows Seated Liberty Half Dollar

Counterfeit Coin Detection – 1854-O Arrows Seated Liberty Half Dollar

Counterfeit 1854-O Arrows Seated Liberty Half Dollar Numismatic Guaranty Corporation ……….   Numerous issues, such as depressions, raised lines, porosity and die damage, presented plenty of evidence to prove this coin not genuine. The Coinage Act of 1853 reduced the weight of the silver half dime, dime, quarter and half dollar as part of an […]

NGC Grades Rare Canadian Silver Maple Leaf Error

NGC Grades Rare Canadian Silver Maple Leaf Error

A unique Canadian Maple Leaf error is certified by NGC Numismatic Guaranty Corporation® (NGC®) has authenticated and graded an extremely rare Canadian Silver Maple Leaf error. This 2005 $5 Silver Maple Leaf was incorrectly struck on a 25.1g .9999 silver planchet intended for commemorative silver dollars instead of a 31.1g .9999 silver planchet used for […]

1843-O Liberty Seated Quarters and the Eliasberg-Gardner Coin

1843-O Liberty Seated Quarters and the Eliasberg-Gardner Coin

Coin Rarities & Related Topics: News and Analysis regarding scarce coins, markets, and coin collecting #372 A Weekly CoinWeek Column by Greg Reynolds …..   Only one currently identified 1843-‘Large O’ quarter is clearly uncirculated, the Eliasberg-Gardner coin. This PCGS-graded “MS-63+” 1843-O just sold for $16,450 USD in a Heritage auction at the Winter 2017 Long […]

New PCGS Online Interface for Registry Set Collecting

New PCGS Online Interface for Registry Set Collecting

The PCGS Set Registry (www.PCGS.com/SetRegistry) continues its push into the digital age with its latest design, allowing coin collectors to enjoy the digital collecting experience on mobile devices. With 82,281 registered sets, and counting, the online coin hub just received a sleek, new interface, which allows users to navigate the site in a streamlined manner […]

By February 21, 20170 Comments Read More →
Counterfeit Coin Detection – 1893-O Morgan Silver Dollar

Counterfeit Coin Detection – 1893-O Morgan Silver Dollar

Posted by Ben Wengel, NGC Grader ……. A recent 1893-O Morgan Dollar submission was confirmed a counterfeit when NGC graders identified one telltale sign. Recently, a well made die struck counterfeit Morgan dollar dated 1893-O was found in a bulk deal while at NGC. While the piece was well made, it had one telltale diagnostic that made […]

New Mobile App Takes Advantage of NGC Online Collecting Tools

New Mobile App Takes Advantage of NGC Online Collecting Tools

Numismatic Guaranty Corporation® (NGC®) has released a new mobile app that features some of the most popular research tools from the world’s largest third-party coin grading service. Optimized for both smartphones and tablets, the free NGC app is available now in the App Store and Google Play. The NGC app includes the essential Verify NGC […]

NGC Upgrades Certified Roll Holder

NGC Upgrades Certified Roll Holder

Numismatic Guaranty Corporation® (NGC®) has upgraded its Certified Roll™ holder with a new, patent-pending design. The second generation Certified Roll boasts enhanced security features and can accommodate a wide range of NGC’s popular special labels, including its hand-signed labels. NGC’s Certified Roll provides crystal-clear display for a roll of 20 American Silver Eagles or 20 […]

Ask a Grader with Ron Drzewucki

Ask a Grader with Ron Drzewucki

Ever wondered what grading coins is like? Modern Coin Wholesale’s Ron Drzewucki gives CoinWeek the inside scoop By CoinWeek ….   Professional coin grading can be a mysterious and inscrutable process to the average collector. Take a coin, insert it into the “black box” of third-party grading, and watch it come out the other side […]

By February 16, 20170 Comments Read More →
CoinWeek IQ: Grading Currency Notes on Location at PMG – 4K Video

CoinWeek IQ: Grading Currency Notes on Location at PMG – 4K Video

CoinWeek IQ is an ongoing series of exclusive videos that go in-depth into important numismatic topics and feature many of the hobby’s leading experts and personalities. How does Paper Money Guaranty (PMG) process and grade paper money? We sought the answer to these questions in our visit to PMG headquarters in Sarasota, Florida. In this […]

Coinweek IQ: Grading Ancient Coins with David Vagi – 4K Video

Coinweek IQ: Grading Ancient Coins with David Vagi – 4K Video

CoinWeek IQ is an ongoing series of exclusive videos that go in-depth into important numismatic topics and feature many of the hobby’s leading experts and personalities. In this IQ video, CoinWeek sits down with NGC Ancients director David Vagi to discuss collecting ancient coins, ancient coin grading, and how new collectors should approach this remarkable […]

U.S. Coins – NGC Certifies Unique Cent

U.S. Coins – NGC Certifies Unique Cent

1982-D Small Date Variety Previously Unknown in Bronze Numismatic Guaranty Corporation® (NGC®) has certified the only known example of a 1982-D Small Date cent struck in bronze. The unique coin was discovered in November by an anonymous collector in Minnesota after he decided to examine a hoard of bronze cents that he had accumulated from […]

NGC Celebrates Mother’s Day with Special Label for all Modern Coins

NGC Celebrates Mother’s Day with Special Label for all Modern Coins

NGC has designed a unique special label in honor of Mother’s Day In celebration of Mother’s Day, which will be observed around the world in May, Numismatic Guaranty Corporation (NGC) has created a special Mother’s Day label. This label is the perfect companion to NGC’s Father’s Day label, released last year. It will make any […]

Recent Activity Shows World Coin Market Gaining Momentum

Recent Activity Shows World Coin Market Gaining Momentum

By Jim Bisognani for Numismatic Guaranty Corporation ……   It has been real cold in the Granite State. Luckily for the first time in a couple years we haven’t been hit with a huge “named” winter storm to wrap up January in New England. What we do have is an exciting and aggressive start to […]

Rare NGC Prototype Holder and Silver Coin Giveaway #160 – 4K Video

Rare NGC Prototype Holder and Silver Coin Giveaway #160 – 4K Video

  Transcript: CoinWeek Editor Charles Morgan here. I wanted to make this week’s CoinWeek Silver coin giveaway special, so I reached out to our friends at NGC and I said, let’s do something this week for CoinWeek’s readers that not only celebrates the 30th Anniversary of NGC but also shows something unusual, unique, and historically […]

Opinion: The PCGS and NGC Dust Up Shows Market Realities

Opinion: The PCGS and NGC Dust Up Shows Market Realities

Image Composite: Heritage Auctions | Ron Drzewucki | CoinWeek By Ron Drzewucki – Modern Coin Wholesale …..   On January 17, NGC Chairman Mark Salzberg published an open letter on the NGC website (it also went out in an NGC email). In the letter, which is accompanied by data, Mark alleges that there has been […]

Certified Coins – US Mint Master Designer Thomas S. Cleveland Signs Exclusive PCGS Signature Deal

Certified Coins – US Mint Master Designer Thomas S. Cleveland Signs Exclusive PCGS Signature Deal

Thomas S. Cleveland, an original Master Designer from the United States Mint’s Artistic Infusion Program (AIP), has signed an exclusive insert label signature deal with Professional Coin Grading Service (www.PCGS.com). Best known for the reverse design of the 2007 American Platinum Eagle, Cleveland carries design credits for 15 different U.S. Mint coins and medals. “This […]

By January 26, 20170 Comments Read More →
Tickets Available for ANA Legacy Series Dinner at Orlando National Money Show

Tickets Available for ANA Legacy Series Dinner at Orlando National Money Show

Join the American Numismatic Association (ANA) in celebrating two of the hobby’s titans–Mark Salzberg and Rick Montgomery, leaders of Numismatic Guaranty Corporation (NGC)–at the ANA Legacy Dinner, a fundraising event to benefit the ANA Legacy Series. The event will take place at the National Money Show in Orlando on Thursday, March 9, starting at 6:00 […]

 
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