1814 platinum half dollar

19th-century American pattern coin thumb|300px|The only known example of the counterstamped 1814 platinum half dollar, J-44a The 1814 platinum half dollar (J-44United States Pattern Coins https://archive.org/details/2009uspattercoinshewjudd Judd J. Hewitt J. Hewitt Judd 2009 Bowers Q. David Q. David Bowers 9th) 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.Coin Profile: Counterpunched Platinum 1814 half dollar pattern https://coinweek.com/coins/patterns/coin-profile-counterpunched-platinum-1814-half-dollar-pattern/ 9 July 2022 CoinWeek 4 July 2011 9 July 2022 https://web.archive.org/web/20220709194427/https://coinweek.com/coins/patterns/coin-profile-counterpunched-platinum-1814-half-dollar-pattern/ dead A unique example with 33 "P" punch marks has been given the catalog number J-44a. It has been described as "one of the most intriguing - and mysterious - pattern coins ever produced by the United States."PCGS Certifies Unique Pattern 1814 Platinum Half Dollar, Gives New ID Number https://www.pcgs.com/news/pcgs-certifies-1814-platinum-half-dollar Professional Coin Grading Service 9 July 2022 5 November 2012 There are two examples known without the punch marks.1814 E50C Half Dollar https://coins.ha.com/itm/patterns/1814-e50c-half-dollar-judd-44-pollock-48-r8-ngc-no-grade-assigned-/a/1158-7729.s Heritage Auctions 9 July 2022 See also Platinum coin References Category:Fifty-cent coins of the United States Category:Platinum coins Category:1814 in the United States Category:Eagles on coins Category:Goddess of Liberty on coins Category:Pattern coins of the United States