1814 platinum half dollar
Illustration — The only known example of the counterstamped 1814 platinum half dollar, J-44a The 1814 platinum half dollar (J-44) was a United States pattern coin with a face value of fifty cents. Its design was identical to the Capped Bust half dollar, but struck in platinum. A unique example with 33 "P" punch marks has been given the catalog number J-44a.
1814 platinum half dollar

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- 1814 platinum half dollar is situated in United States.
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Illustration — The only known example of the counterstamped 1814 platinum half dollar, J-44a The 1814 platinum half dollar (J-44) was a United States pattern coin with a face value of fifty cents. Its design was identical to the Capped Bust half dollar, but struck in platinum. A unique example with 33 "P" punch marks has been given the catalog number J-44a.
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Overview
It has been described as "one of the most intriguing - and mysterious - pattern coins ever produced by the United States." There are two examples known without the punch marks.
It is associated with United States.
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 16 August 2026.
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