David Akers (1975/88): This is one of the most common dates of this type and is reasonably available in all conditions including choice uncirculated. As is the case with most dates of this type, the typical specimen is well struck. Although some cataloguers have listed certain examples as simply "1809", all known specimens are actually overdates.
Ron Guth: Specialist know of only one die variety for 1809: BD-1 (Breen 1-A). The overdate status of this variety is unclear. Both Bass and Dannreuther questioned the undertype, with Dannreuther noting "There is something under the 9, but whether it is an 8 or remnants of an erroneously punched 9 is uncertain."
Numerous MS64 and better examples are known of this variety and date.
Sources and/or recommended reading:
John W. Dannreuther and Harry W. Bass, Jr., "Early U.S. Gold Coin Varieties"
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