Market Analysis: Top-graded 1918/7-S overdate at NGC

The sole-finest graded 1918/7-S Standing Liberty quarter dollar at NGC, this MS-67 example sold for $108,000 and features stronger head details than many Uncirculated examples of the overdate.

Image courtesy of Heritage Auctions.

The runner-up in Heritage’s Patton offering Aug. 14 was a top-graded example of a legendary overdate in 20th century numismatics: an 1918/7-S Standing Liberty quarter dollar graded Mint State 67 by Numismatic Guaranty Co. that sold for $108,000.

The prominent variety is easily seen without magnification, yet it only became widely known several decades after it was struck in San Francisco.

The issue is notoriously poorly struck, with Liberty’s head typically mushy. The offered coin has some details in the head, and Heritage called it stunning, observing, “The luster is remarkably thick and frosty for an issue that often comes dull and satiny, with light champagne toning that accents the margins.”

The price realized was in line with the $105,750 it brought at Heritage’s August 2016 Platinum Night session. NGC had graded two in MS-67, the other selling for $102,000 at a 2020 Stack’s Bowers Galleries auction. That one has since crossed over to a Professional Coin Grading Service MS-66 holder, according to Heritage, leaving the subject offering as the sole-finest graded.

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