Scarce PMG-certified Hong Kong Banknote Realizes Over $200,000
1/12/2022 - The rarity was the centerpiece of a January Spink sale in Asia.
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CGC Announces an Private Signing Event with Comic Book Artist Ivan Tao
1/12/2022 - CGC welcomes Ivan Tao, a rising star in the world of comic book covers!
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In Memoriam: Harvey Stack, 1928–2022
1/12/2022 - NGC joins the coin collecting community in mourning the loss of a numismatic pioneer.
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NCS Conservation: Saving Coins from Poor Long-term Storage
1/11/2022 - Heavy residues frequently develop on the surface of coins that have been stored for long periods of time in coin holders open to the environment.
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NGC Ancients: The Twelve Labors of Hercules ‒ Part One
1/11/2022 - The Greco-Roman hero Hercules is often portrayed on coins, many of which tell of his adventures.
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USA Coin Album: The Morgan Silver Dollars of 1921
1/11/2022 - A centennial retrospective puts the 2021 Morgan Dollars in perspective.
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Counterfeit Detection: 1857 Flying Eagle Cent
1/11/2022 - Porous surfaces and poorly defined denticles are two red flags for this coin.
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NGC Registry Featured Set: Winter Olympic Games
1/11/2022 - This month’s featured set belongs to collectioncoin.
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CGC Announces a Private Signing Event with Comic Book Artist Mike Hawthorne
1/10/2022 - CGC welcomes the multi talented comic book artist Mike Hawthorne!
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Stack's Bowers Offers Rare Ancient Greek Coins Certified by NGC Ancients
1/10/2022 - The Salton Collection includes a 2,400-year-old coin from Sicily expected to sell for over $100,000.
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