Discovery Proof Overdate Up for Auction
July 22, 2026
The first known certified proof 1824/1 overdate Capped Bust half dollar is being offered by Scotsman Coin & Jewelry of St. Louis, Missouri, in its Midwest Summer Sale 2026 auction. Professional Coin Grading Service (PCGS) has certified the piece as a Proof-63 Overton 101 variety. PCGSCoinFacts estimates that about 750 circulation-strike examples of the 1824/1 overdate have survived, including several Overton varieties. However, until now, no previous proof example was known to either PCGS or Numismatic Guaranty Company, or discussed in any known research literature, according to the Scotsman team.
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