Warwick China Date Codes



Warwick often dated their wares with the full year of manufacture and also used a simple date code as shown below, in which the month is indicated by the numbers 1 through 12 followed by two digits representing the year (i.e. 1-42+January, 1942). The numbers may or may not be separated by a dash.

Year/Month
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
January
1-20
1-21
1-22
1-23
1-24
1-25
1-26
1-27
1-28
1-29
February
2-20
2-21
2-22
2-23
2-24
2-25
2-26
2-27
2-28
2-29
March
3-20
3-21
3-22
3-23
3-24
3-25
3-26
3-27
3-28
3-29
April
4-20
4-21
4-22
4-23
4-24
4-25
4-26
4-27
4-28
4-29
May
5-20
5-21
5-22
5-23
5-24
5-25
5-26
5-27
5-28
5-29
June
6-20
6-21
6-22
6-23
6-24
6-25
6-26
6-27
6-28
6-29
July
7-20
7-21
7-22
7-23
7-24
7-25
7-26
7-27
7-28
7-29
August
8-20
8-21
8-22
8-23
8-24
8-25
8-26
8-27
8-28
8-29
September
9-20
9-21
9-22
9-23
9-24
9-25
9-26
9-27
9-28
9-29
October
10-20
10-21
10-22
10-23
10-24
10-25
10-26
10-27
10-28
10-29
November
11-20
11-21
11-22
11-23
11-24
11-25
11-26
11-27
11-28
11-29
December
12-20
12-21
12-22
12-23
12-24
12-25
12-26
12-27
12-28
12-29
Year/Month
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
January
1-30
1-31
1-32
1-33
1-34
1-35
1-36
1-37
1-38
1-39
February
2-30
2-31
2-32
2-33
2-34
2-35
2-36
2-37
2-38
2-39
March
3-30
3-31
3-32
3-33
3-34
3-35
3-36
3-37
3-38
3-39
April
4-30
4-31
4-32
4-33
4-34
4-35
4-36
4-37
4-38
4-39
May
5-30
5-31
5-32
5-33
5-34
5-35
5-36
5-37
5-38
5-39
June
6-30
6-31
6-32
6-33
6-34
6-35
6-36
6-37
6-38
6-39
July
7-30
7-31
7-32
7-33
7-34
7-35
7-36
7-37
7-38
7-39
August
8-30
8-31
8-32
8-33
8-34
8-35
8-36
8-37
8-38
8-39
September
9-30
9-31
9-32
9-33
9-34
9-35
9-36
9-37
9-38
9-39
October
10-30
10-31
10-32
10-33
10-34
10-35
10-36
10-37
10-38
10-39
November
11-30
11-31
11-32
11-33
11-34
11-35
11-36
11-37
11-38
11-39
December
12-30
12-31
12-32
12-33
12-34
12-35
12-36
12-37
12-38
12-39
Year/Month
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
January
1-40
1-41
1-42
1-43
1-44
1-45
1-46
1-47
1-48
1-49
February
2-40
2-41
2-42
2-43
2-44
2-45
2-46
2-47
2-48
2-49
March
3-40
3-41
3-42
3-43
3-44
3-45
3-46
3-47
3-48
3-49
April
4-40
4-41
4-42
4-43
4-44
4-45
4-46
4-47
4-48
4-49
May
5-40
5-41
5-42
5-43
5-44
5-45
5-46
5-47
5-48
5-49
June
6-40
6-41
6-42
6-43
6-44
6-45
6-46
6-47
6-48
6-49
July
7-40
7-41
7-42
7-43
7-44
7-45
7-46
7-47
7-48
7-49
August
8-40
8-41
8-42
8-43
8-44
8-45
8-46
8-47
8-48
8-49
September
9-40
9-41
9-42
9-43
9-44
9-45
9-46
9-47
9-48
9-49
October
10-40
10-41
10-42
10-43
10-44
10-45
10-46
10-47
10-48
10-49
November
11-40
11-41
11-42
11-43
11-44
11-45
11-46
11-47
11-48
11-49
December
12-40
12-41
12-42
12-43
12-44
12-45
12-46
12-47
12-48
12-49
Year/Month
1950
1951
 
January
1-50
1-51
February
2-50
2-51
March
3-50
3-51
April
4-50
4-51
May
5-50
5-51
June
6-50
6-51
July
7-50
7-51
August
8-50
8-51
September
9-50
9-51
October
10-50
10-51
November
11-50
11-51
December
12-50
12-51
Year/Month
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
January-December
1930
1931/div>
1932
1933
1934
1935
1936
1937
1938
1939
Year/Month
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
January-December
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
Year/Month
1950
1951
 
January-December
1950
1951

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


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Please note that information presented in the following pages listed by manufacturer are historical facts and are to be used only to help research and identify circa dates/users/manufactures for educational purposes. These historical facts are not copyrightable, therefore the information provided for date codes on these pages is not copyrighted. However, the format that these facts are provided in is copyrighted © RWCN The Restaurant Ware Collectors Network® and may not be reproduced for personal or commercial use elsewhere without express permission.

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