Buffalo China Date Codes

 
Circa 1901 to 1940:
A four digit number might represent the year.
Year/Month
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
January-December
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
Year/Month
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
January-December
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
Year/Month
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
January-December
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
Year/Month
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
January-December
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
Circa 1940 to 1962:
A letter (dash) number code represents the Year (dash) Month manufactured. This code may not be accurate but can help in giving an approximate year/month.
Year/Month
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
January
A-1
B-1
C-1
D-1
E-1
F-1
G-1
H-1
I-1
J-1
February
A-2
B-2
C-2
D-2
E-2
F-2
G-2
H-2
I-2
J-2
March
A-3
B-3
C-3
D-3
E-3
F-3
G-3
H-3
I-3
J-3
April
A-4
B-4
C-4
D-4
E-4
F-4
G-4
H-4
I-4
J-4
May
A-5
B-5
C-5
D-5
E-5
F-5
G-5
H-5
I-5
J-5
June
A-6
B-6
C-6
D-6
E-6
F-6
G-6
H-6
I-6
J-6
July
A-7
B-7
C-7
D-7
E-7
F-7
G-7
H-7
I-7
J-7
August
A-8
B-8
C-8
D-8
E-8
F-8
G-8
H-8
I-8
J-8
September
A-9
B-9
C-9
D-9
E-9
F-9
G-9
H-9
I-9
J-9
October
A-10
B-10
C-10
D-10
E-10
F-10
G-10
H-10
I-10
J-10
November
A-11
B-11
C-11
D-11
E-11
F-11
G-11
H-11
I-11
J-11
December
A-12
B-12
C-12
D-12
E-12
F-12
G-12
H-12
I-12
J-12
Year/Month
1950
1951
1952
1953
1954
1955
1956
1957
1958
1960
January
K-1
L-1
M-1
N-1
O-1
P-1
Q-1
R-1
S-1
T-1
February
K-2
L-2
M-2
N-2
O-2
P-2
Q-2
R-2
S-2
T-2
March
K-3
L-3
M-3
N-3
O-3
P-3
Q-3
R-3
S-3
T-3
April
K-4
L-4
M-4
N-4
O-4
P-4
Q-4
R-4
S-4
T-4
May
K-5
L-5
M-5
N-5
O-5
P-5
Q-5
R-5
S-5
T-5
June
K-6
L-6
M-6
N-6
O-6
P-9
Q-6
R-6
S-6
T-6
July
K-7
L-7
M-7
N-7
O-7
P-7
Q-7
R-7
S-7
T-7
August
K-8
L-8
M-8
N-8
O-8
P-8
Q-8
R-8
S-8
T-8
September
K-9
L-9
M-9
N-9
O-9
P-9
Q-9
R-9
S-9
T-9
October
K-10
L-10
M-10
N-10
O-10
P-10
Q-10
R-10
S-10
T-10
November
K-11
L-11
M-11
N-11
O-11
P-11
Q-11
R-11
S-11
T-11
December
K-12
L-12
M-12
N-12
O-12
P-12
Q-12
R-12
S-12
T-12
Year/Month
1960
1961
1962
January
U-1
V-1
W-1
February
U-2
V-2
W-2
March
U-3
V-3
W-3
April
U-4
V-4
W-4
May
U-5
V-5
W-5
June
U-6
V-6
W-6
July
U-7
V-7
W-7
August
U-8
V-8
W-8
September
U-9
V-9
W-9
October
U-10
V-10
W-10
November
U-11
V-11
W-11
December
U-12
V-12
W-12
Circa 1962-1966:
A single or double digit number (dash) two digit number – The first single or double digits will represent the month and the second set of double digits will represent the year.

Circa 1967-1977:
A one, two, three or four asterisks along with a double-digit number. The asterisks represent the quarter while the double digit numbers represent the year.

Circa 1978 to date:
There is an unknown date code used that has not been broken.
Year/Month
1962
1963
1964
1965
1966
January
1-62
1-63
1-64
1-65
1-66
February
2-62
2-63
2-64
2-65
2-66
March
3-62
3-63
3-64
3-65
3-66
April
4-62
4-63
4-64
4-65
4-66
May
5-62
5-63
5-64
5-65
5-66
June
6-62
6-63
6-64
6-65
6-66
July
7-62
7-63
7-64
7-65
7-66
August
8-62
8-63
8-64
8-65
8-66
September
9-62
9-63
9-64
9-65
9-66
October
10-62
10-63
10-64
10-65
10-66
November
11-62
11-63
11-64
11-65
11-66
December
12-62
12-63
12-64
12-65
12-66
Year/Month
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
Jan.-March
*67
*68
*69
*70
*71
*72
*73
*74
*75
*76
April-June
**67
**68
**69
**70
**71
**72
**73
**74
**75
**76
July-Sept.
**67*
**68*
**69*
**70*
**71*
**72*
**73*
**74*
**75
**76*
Oct.-Dec.
**67**
**68**
**69**
**70**
**71**
**72**
**73**
**74**
**75**
**76**
Year/Month
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
Jan.-March
*77
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
April-June
**77
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
July-Sept.
**77*
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Oct.-Dec.
**77**
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown

Notes: Date code may or may not contain a (dash).