Here's the list I have in front of me when I search lincolns.
In no way is it complete of course.
My favorites to look for in the zincolns are the CAM/WAMs and the 1988s
Link to a good post about lincoln key dates
https://goccf.com/t/88992
Wheaties Key Dates:
1909 S VDB -3.07 key
1931 S -2.71 key
1914 D -2.51 key
1909 S -2.25 key
1924 D -2.05 semi-key
1911 S -1.76 semi-key
1914 S -1.74 semi-key
1912 S -1.70 semi-key
1931 D -1.70 semi-key
1926 S -1.69 semi-key
1915 S -1.65 semi-key
1910 S -1.51 semi-key
1913 S -1.50 semi-key
1922 ( no mint mark)?
Memorial Key Dates:
1968 S -3.12 key
1973 S -2.87 key
1972 S -2.65 key
1974 S -2.55 key
1971 S -2.24 key
1969 S -2.20 key
1960 -2.10 semi-key
1962 -2.06 semi-key
1959 -2.06 semi-key
1970 S -1.90 semi-key
1961 -1.79 semi-key
1963 -1.79 semi-key
41
P - DDO
44
D/S - OMM #1 S is light and slighty higher than D // #2 the tail of the S sticks out behind the middle of the D
52
D/S - OMM
55
P - DDO (famous/rare w/ many counterfeits)
P - DDO 2
D - DDO look at 9 in date
S/S/S - Triple MM
56
D - RPM (three types) #18 = new mark is nearly on top of old #8 = old mark is faint and well below new one
#1 new mark is on and to the right of old
58
P - DDO
59
D - RPM (D/D/D)
P - DDO
60
D - DDO or Small over Large Date/MM
P - Small Date
62
P - DDO
63
D - DDO small 3 under the 3 in the date
64
P - DDR look at tail of the S in States
68
D - DDR look at designers initials
69
S - DDO
70
S - DDO on Large Date
S - Small Date
71
P - DDO
72
P - DDO
80
P - DDO
82
P - DDO on Copper Large Date
P - (Small Date Zinc) DDR on all devices
83
P - DDR doubling in most/all devices
84
P - extra ear lobe under ear and/or DDO in date/liberty - extra thickness in 9 and 8
D - DDO - extra thickness and sometimes seperation on most devices
85
P - DDO
88
P or D - 88 w/ 89 Reverse seen in designers initials with a squared g
P - No FG/No Lincoln Statue
92
P - Close AM (rare)
D - Close AM
94
P - DDR in the columns of the building
95
P - DDO
D - DDO
96
D - DDO / DDR both very hard to see. Obverse is light spread on date/devices, Reverse is on lincoln statue
97
P - DDO extra ear lobe
98
P - Wide AM
99
P - Wide AM
00
P- Wide AM
01
P - DDO LIBERTY (2001 1DO-001)
06
P - DDO ear lobe and beard
In no way is it complete of course.
My favorites to look for in the zincolns are the CAM/WAMs and the 1988s
Link to a good post about lincoln key dates
https://goccf.com/t/88992
Wheaties Key Dates:
1909 S VDB -3.07 key
1931 S -2.71 key
1914 D -2.51 key
1909 S -2.25 key
1924 D -2.05 semi-key
1911 S -1.76 semi-key
1914 S -1.74 semi-key
1912 S -1.70 semi-key
1931 D -1.70 semi-key
1926 S -1.69 semi-key
1915 S -1.65 semi-key
1910 S -1.51 semi-key
1913 S -1.50 semi-key
1922 ( no mint mark)?
Memorial Key Dates:
1968 S -3.12 key
1973 S -2.87 key
1972 S -2.65 key
1974 S -2.55 key
1971 S -2.24 key
1969 S -2.20 key
1960 -2.10 semi-key
1962 -2.06 semi-key
1959 -2.06 semi-key
1970 S -1.90 semi-key
1961 -1.79 semi-key
1963 -1.79 semi-key
41
P - DDO
44
D/S - OMM #1 S is light and slighty higher than D // #2 the tail of the S sticks out behind the middle of the D
52
D/S - OMM
55
P - DDO (famous/rare w/ many counterfeits)
P - DDO 2
D - DDO look at 9 in date
S/S/S - Triple MM
56
D - RPM (three types) #18 = new mark is nearly on top of old #8 = old mark is faint and well below new one
#1 new mark is on and to the right of old
58
P - DDO
59
D - RPM (D/D/D)
P - DDO
60
D - DDO or Small over Large Date/MM
P - Small Date
62
P - DDO
63
D - DDO small 3 under the 3 in the date
64
P - DDR look at tail of the S in States
68
D - DDR look at designers initials
69
S - DDO
70
S - DDO on Large Date
S - Small Date
71
P - DDO
72
P - DDO
80
P - DDO
82
P - DDO on Copper Large Date
P - (Small Date Zinc) DDR on all devices
83
P - DDR doubling in most/all devices
84
P - extra ear lobe under ear and/or DDO in date/liberty - extra thickness in 9 and 8
D - DDO - extra thickness and sometimes seperation on most devices
85
P - DDO
88
P or D - 88 w/ 89 Reverse seen in designers initials with a squared g
P - No FG/No Lincoln Statue
92
P - Close AM (rare)
D - Close AM
94
P - DDR in the columns of the building
95
P - DDO
D - DDO
96
D - DDO / DDR both very hard to see. Obverse is light spread on date/devices, Reverse is on lincoln statue
97
P - DDO extra ear lobe
98
P - Wide AM
99
P - Wide AM
00
P- Wide AM
01
P - DDO LIBERTY (2001 1DO-001)
06
P - DDO ear lobe and beard























