Key and Semi-Key Dates
While many facets determine the value of a coin, within the Lincoln Wheat Cent series, there are several coins which are relatively rare. These coins, termed "key" date coins, are usually rare simply because their mintage numbers were low compared to other dates and mint marks. There are other wheat cents which are semi-rare, and still relatively difficult to locate. These coins are termed "semi-key" date coins.
The following wheat cents are considered Key-Dates:
Other wheat cents that some consider key dates: 1922 No D (or plain) and the 1955/1955 Double-Die Obverse.
The following wheat cents are considered semi-key dates: 1909-S, 1910-S, 1911-S, 1912-S, 1913-S, 1914-S, 1915-S, 1924-D, and 1926-S.
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