Lincoln wheat pennies were produced at three different mints: Philadelphia (no mint mark), Denver (D) and San Francisco (S).
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Lincoln Wheat Penny Values - Coin Values for Lincoln Wheat Pennies
Key Dates and Rarities
The following Lincoln wheat cents in any condition, are worth considerable more than common wheat pennies. As such, these coins are frequently counterfeit or altered from common wheat pennies. Therefore, before you start celebrating your early retirement with your new found fortune, have the coin authenticated by a reputable coin dealer or third party grading service.
1909-S VDB (small "S" below the date and "V.D.B." on the back at the bottom between the stems of the wheat ears)
1909-S
1914-D
1922 No "D" (there is no mint mark below the date)
1931-S
1943 Bronze/copper (cents in 1943 were made out of zinc plated steel, not copper)
1943-D Bronze/copper (cents in 1943 were made out of zinc plated steel, not copper)
1943-S Bronze/copper (cents in 1943 were made out of zinc plated steel, not copper)
1944 Steel (cents in 1944 were again made out of copper/bronze, some old steel blanks got minted in 1944 by mistake)
1955/55 (doubled die variety)
