The Exchange

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NGC Certifies 1838 Gobrecht Hub Reduction

Numismatic Guaranty Corporation® has authenticated a previously unreported brass hub reduction produced at the United States Mint from an eagle designed by famed U.S. Mint Engraver Christian Gobrecht. A hub reduction represents a transitional piece between the sculpted model and the hub used to create coining dies.
Written by Janell Armstrong at 00:00

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NGC Grades Benchmark Collection of Australian Coins

Numismatic Guaranty Corporation® has certified the superb Benchmark Collection, a complete set of Australian pre-decimal coins. The collection includes a number of finest known examples and important rarities as well as several previously undocumented varieties.
Written by Janell Armstrong at 00:00

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NGC Grades Dimitriadis Collection of Roman Gold Coins

Numismatic Guaranty Corporation® has graded more than 200 Roman gold coins from the superb collection of the late Andre Constantine Dimitriadis, a California collector and founder of LTC Properties, a Westlake Village, California-based real estate investment trust. Assembled over a period of more than 20 years, the Dimitriadis Collection includes a number of extremely rare and pristine-quality Roman gold coins struck circa 50 B.C. to A.D. 500.
Written by Janell Armstrong at 00:00

NGC Modifies CrossOver Policy to Include 70-Graded Coins

Numismatic Guaranty Corporation® (NGC®), the world’s largest third-party coin grading and authentication service, has announced that it will now accept CrossOver submissions of coins graded MS 70, PF 70 and SP 70.
Written by Janell Armstrong at 00:00
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NGC Grades Newman Colonials

Numismatic Guaranty Corporation® (NGC®) has certified more than 600 American Colonial and Pre-Federal coins, tokens and medals from the outstanding collection of Eric P. Newman. Assembled over a period of more than 90 years, the selections include a number of extremely rare and high grade specimens that have not been seen publicly for many decades.
Written by Janell Armstrong at 00:00

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