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Numismatic Guaranty Corporation

When NGC was founded in 1987, it heralded the introduction of a new standard of integrity in coin grading. From the beginning NGC focused on only one objective, a standard of consistent and accurate grading.

About NGC

As NGC has grown to become the leader in third-party grading services, we have maintained a steadfast and uncompromising commitment to this standard. The knowledge, integrity and dedication of NGC’s team of numismatic professionals ensures you a level of grading consistency unparalleled among grading services. This record of consistency, built over the years, has helped to foster greater stability throughout the rare coin marketplace.

NGC Guides & Services

NGC 30th Anniversary Video

6/21/2017

The video highlights some of the company’s achievements, including its international expansion

Numismatic Guaranty Corporation® (NGC®) has released a video to celebrate its 30th anniversary.

Founded in 1987, NGC has been committed to accuracy, consistency and integrity. These principles have led NGC to become the world’s largest third-party coin grading service with more than 37 million coins certified.

The NGC 30th Anniversary Video highlights some of the company’s achievements, including its international expansion. NGC now grades coins full-time at its offices in the United States and China and operates Official Submission Centers in China, Germany, Hong Kong, Korea, Singapore and Japan.

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Numismatic Guaranty Corporation (NGC)

PMG Certifies Rare People’s Republic of China 10,000 Yuan Banknote

Paper Money Guaranty® (PMG®) has certified a rare, high-denomination banknote from the early years of the People’s Republic of China. The 1951 10,000 Yüan...

NGC Ancients: Dates on Ancient Greek Coins

Many clues help narrow down the date ranges of coins minted more than 2,000 years ago At NGC Ancients, often we are asked: How do...

Counterfeit Coins Detection: California Fractional Gold

A few helpful tips can make sure you never get fooled by these sometimes deceptive fantasy pieces Period Three back-dated BG-1301A listed in California...

Commentary: Coin Market Isn’t Cooling Down This Fall

Yellow metal's acceleration is drawing gold bugs back to the market By Jim Bisognani - NGC Contributor ........   Cooler temperatures at night here in New England...

NGC Certifies Unique Washington “Dollar”

A mid-19th-century fantasy earned its place in US numismatic history A unique copper specimen of the famed “Washington Dollar Fantasy” was recently certified by Numismatic...

CCG Appoints Eur-Seree Collecting Co., Ltd. as Official Submission Center in...

The Certified Collectibles Group (CCG) has appointed Eur-Seree Collecting Co., Ltd. as an Official Submission Center in Thailand. Eur-Seree Collecting Co., Ltd., Thailand’s largest...

Hurricane Irma Update from NGC and Certified Collectibles Group

Sarasota, Florida, office did not sustain any damage and reopened as scheduled at 8:45am EST this morning. The Certified Collectibles Group (CCG) is grateful for...

NGC Grades Rare and Beautiful ‘Una and the Lion’ Proof Coin

Numismatic Guaranty Corporation® (NGC®) recently graded an example of the iconic 1839 Victoria gold “Una and the Lion” Five Pounds, which is widely considered...

CoinWeek IQ: Collecting Coin Boards with David Lange – 4K Video

The story of coin boards is the story of the coin hobby in America. NGC Research Director Davie Lange is the hobby's leading expert in...

NGC Grades Likely Unique French Gold Pattern Coin

Numismatic Guaranty Corporation® (NGC®) has certified a likely unique French gold pattern that was submitted for grading at the recent ANA World’s Fair of...

Coin Grading Service Special Labels in the Postmodern Era

By David Schwager for CoinWeek .....   Buy the coin, not the slab. This is wise guidance, and a prudent collector needs to do more than read...

NGC Certifies China 1911 Long Whisker Dragon Pattern Gold Dollar

Numismatic Guaranty Corporation® (NGC®) has certified an extremely rare China 1911 Long Whisker Dragon Pattern Gold Dollar. Graded NGC SP 63+, it is considered...

Grading Service Paper Money Guaranty Hires Gibraltar Coins’ Victor Ingraffia

Paper Money Guaranty® (PMG®) has hired Victor Ingraffia, the founder and former CEO of Gibraltar Coins & Precious Metals in Clearwater, Florida, to join...

Rare US Coins – A Closer Look at Certified Coin Population...

Take a mountain of useful numismatic data with a grain of salt By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   Years ago, the known rarity...

NGC Signer John Mercanti Wins Rittenhouse Award – Video

By Numismatic Guaranty Corporation (NGC) ......   Numismatic Guaranty Corporation (NGC) congratulates John M. Mercanti, 12th chief engraver of the US Mint, for receiving the 2017...