NGC

Founded in 1987, Numismatic Guaranty Company (NGC) is the world's leader in third-party authentication and coin grading services.

[NGC @NGCcoin]

Check out this Mexico 1998Mo Silver Onza, which earned a grade of NGC MS 70. Bidding for this coin is already up to $37,000 in a GreatCollections auction ending soon: https://t.co/8Z46FcR3TV

[NGC @NGCcoin]

Coin of the Day: For #WorldBicycleDay (and #WorldWednesday), here is a gilt token from the Danish Bicycle Club struck over a century ago. You can find it in a Stack’s Bowers Galleries auction of L. E. Bruun Collection rarities: https://t.co/5kjeOcvRp9

[NGC @NGCcoin]

Coin of the Day: For #TonerTuesday, here is a Netherlands East Indies 1914 Cent with some impressive sunset toning. You can find this coin in a Heritage Auctions sale of Netherlands and Dutch Colonial coinage this month: https://t.co/urH9DQ9iYj

[Kristen Ann Winslet @KristenAWinslet]

@NGCcoin The Winslet Collection

I have acquired my 31st 1783 Washington and Independence Silver Restrike; might be one or two out there. I started this quest in 2012 having one graded MS-62 and appreciating the story of George Washington donating his Silverware to the US Mint in Philly.

[NGC @NGCcoin]

Coin of the Day: Now here’s a stunning wrong-planchet error for #MintErrorMonday: a 1970-D Roosevelt Dime that was struck on a 90% silver planchet that hadn’t been used for circulation in years. Stack’s Bowers Galleries is offering the coin: https://t.co/XHyLZO7koX

[NGC @NGCcoin]

Coin of the Day: On this day in 1578, Henry III laid the first stone for what today is Paris' oldest bridge, the Pont Neuf. This France Ecu d’Or, which is dated that year, realized $18,300 at auction earlier this month: https://t.co/JuCC0lK6q8

[NGC @NGCcoin]

This Denmark 2 Rigsdaler is among the highlights of another Stack's Bowers Galleries auction of L. E. Bruun Collection rarities. Find more than 700 NGC-certified coins, tokens and medals in the sale: https://t.co/9mvYZTyCiA

[NGC @NGCcoin]

Coin of the Day: For Indian Arrival Day in Trinidad and Tobago, here is a 1973 Cent that includes the Caribbean nation’s motto: “Together we aspire, together we achieve.” Learn more about this coin in the NGC World Coin Price Guide: https://t.co/SG14pOdyos

[NGC @NGCcoin]

The Roman port of Ostia is shown on the reverse of this Sestertius of Emperor Nero. The location was one of the many treats of the recent IAPN Congress held in Rome, which Jeff Garrett attended. He looks at the coin group in NGC Weekly Market Report: https://t.co/46VNOrbQsu

[NGC @NGCcoin]

Coin of the Day: Maximilian I arrived in Mexico on this day in 1864. The 1866GO Peso from his short-lived and ill-fated reign will be offered by Heritage Auctions later this year: https://t.co/l7QjImLxYC

[NGC @NGCcoin]

The 1776-2026-W Enhanced Uncirculated Gold Eagle has been released by the US Mint, and NGC has special labels to complement it, including its America250™ US Flag Label. The logo is officially licensed from the U.S. Semiquincentennial Commission. Learn more: https://t.co/Ja6JgX4rQ5

[NGC @NGCcoin]

Coin of the Day: On this day in 1347, Byzantine Emperor John V Palaiologos married Helena Kantakouzene. This silver stavraton shows Christ on the obverse and the emperor on the reverse. It’s part of a July Heritage auction of Byzantine coinage: https://t.co/fJnVHP9YCo

[NGC @NGCcoin]

The World Cup kicks off soon, so we're showcasing an NGC Registry set this month with some exciting soccer coins. Check out these coins, which Mexico issued for the World Cup that it hosted in 1986: https://t.co/LkR9p1Z4w2

[NGC @NGCcoin]

Coin of the Day: On this day in 1883, Alexander III was crowned tsar of Russia. This Rouble celebrating the coronation is part of a June Heritage sale, where it is expected to sell for about $1,000: https://t.co/BqlH8SlPmR #WorldWednesday

[NGC @NGCcoin]

Coin of the Day: For #TonerTuesday, check out the impressive toning on this Germany 1763 Nurnberg Taler. You can find it in a Heritage sale, but you’d better hurry, because bidding ends today: https://t.co/NWQ0wEze2K

[NGC @NGCcoin]

This Germany 1638 5 Taler is among the top NGC-certified highlights in the Marciniak Spring Sale this month. The only example in the NGC Census, it is expected to sell for more than $20,000. Learn more: https://t.co/wBYvINw75W

[NGC @NGCcoin]

Coin of the Day: Here’s a fascinating #MintErrorMonday coin: a 1998 Lincoln Cent that was struck multiple times. You can find it in a June Heritage sale dedicated to error coinage: https://t.co/ZTRQJJsgEq

[NGC @NGCcoin]

More stunning NGC-certified rarities from the Traveller Collection are being offered this month by Numismatica Ars Classica. Each of these British rarities is expected to sell for six figures. Learn more: https://t.co/fm1fquok6o

[NGC @NGCcoin]

Coin of the Day: For Memorial Day weekend in the United States, here is a 1994-P Vietnam Veterans Memorial Commemorative Silver Dollar. You can learn more about this coin and others like it in NGC Coin Explorer: https://t.co/KmL87LjMdD

[NGC @NGCcoin]

Wow! Bidding is already over $100,000 for this Proof 1841 No Drapery Dime in a @‌stacksbowers Galleries auction in June. Pedigreed to Newman, it is the finer of two known examples. Learn more: https://t.co/Gyy7VY1DJU