International submissions made to the CCG companies should not incur tariffs if the proper procedures are followed.
Whether gold or copper-nickel, coins struggling with residue can benefit from conservation services.
Happy Year of the Snake! Serpents are found on the coins of many ancient cultures, and they carry a wide variety of connotations.
Tool marks, shallow rims and weaknesses in the design are among the many transgressions that add up to an unholy mess of a counterfeit.
Six coins certified by NGC each sold for more than $100,000 in the December auction.
The January auction also included a stunning Caligula gold aureus graded by NGC Ancients that realized $600,000.
NGC's own Rick Montgomery, Ben Wengel, Scott Schechter, David Camire and David Vagi were named among the 'World's Greatest Coin Graders' by COINage Magazine.
Twenty additional NGC-certified coins realized six-figure amounts in a pair of elite auctions presented by Numismatica Genevensis SA.
A silver coin of the First Punic War — as Carthage and Rome vied for control of Sicily — recently captivated the NGC Ancients graders.
Despite the beautiful design that it mimics, there’s a lot that’s cockeyed about this fake coin.
The variety, which is pedigreed to the famed NC Collection, was previously unknown.
The high-grade coin is one of 10 NGC-certified coins that realized six figures in the October sale.
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