Wallace China Date Codes


Year/Month

1931

1932

1933

1934

1935

1936

1937

1938

1939

1940


January

2A

2B

2C

2D

2E

2F

2G

2H

2I

2J


April

3A

3B

3C

3D

3E

3F

3G

3H

3I

3J


May

4A

4B

4C

4D

4E

4F

4G

4H

4I

4J


February

5A

5B

5C

5D

5E

5F

5G

5H

5I

5J


June

6A

6B

6C

6D

6E

6F

6G

6H

6I

6J


March

7A

7B

7C

7D

7E

7F

7G

7H

7I

7J


July

8A

8B

8C

8D

8E

8F

8G

8H

8I

8J


November

9A

9B

9C

9D

9E

9F

9G

9H

9I

9J


December

10A

10B

10C

10D

10E

10F

10G

10H

10I

10J


September

11A

11B

11C

11D

11E

11F

11G

11H

11I

11J


August

12A

12B

12C

12D

12E

12F

12G

12H

12I

12J


October

14A

14B

14C

14D

14E

14F

14G

14H

14I

14J




Year/Month

1941

1942

1943

1944

1945

1946

1947

1948

1949

1950


January

2K

2L

2M

2N

2O

2Z

2Y

2W

2V

2X


April

3K

3L

3M

3N

3O

3Z

3Y

3W

3V

3X


May

4K

4L

4M

4N

4O

4Z

4Y

4W

4V

4X


February

5K

5L

5M

5N

5O

5Z

5Y

5W

5V

5X


June

6K

6L

6M

6N

6O

6Z

6Y

6W

6V

6X


March

7K

7L

7M

7N

7O

7Z

7Y

7W

7V

7X


July

8K

8L

8M

8N

8 – O

8Z

8Y

8W

8V

8X


November

9K

9L

9M

9N

9O

9Z

9Y

9W

9V

9X


December

10K

10L

10M

10N

10O

10Z

10Y

10W

10V

10X


September

11K

11L

11M

11N

11O

11Z

11Y

11W

11V

11X


August

12K

12L

12M

12N

12O

12Z

12Y

12W

12V

12X


October

14K

14L

14M

14N

14O

14Z

14Y

14W

14V

14X




Year/Month

1951

1952

1953

1954

1955

1956

1957

1958

1959

1960


January

2S

2Q

2P

2U

2T

2R

Unknown

Unknown

A2

B2


April

3S

3Q

3P

3U

3T

3R

Unknown

Unknown

A3

B3


May

4S

4Q

4P

4U

4T

4R

Unknown

Unknown

A4

B4


February

5S

5Q

5P

5U

5T

5R

Unknown

Unknown

A5

B5


June

6S

6Q

6P

6U

6T

6R

Unknown

Unknown

A6

B6


March

7S

7Q

7P

7U

7T

7R

Unknown

Unknown

A7

B7


July

8S

8Q

8P

8U

8T

8R

Unknown

Unknown

A8

B8


November

9S

9Q

9P

9U

9T

9R

Unknown

Unknown

A9

B9


December

10S

10Q

10P

10U

10T

10R

Unknown

Unknown

A10

B10


September

11S

11Q

11P

11U

11T

11R

Unknown

Unknown

A11

B11


August

12S

12Q

12P

12U

12T

12R

Unknown

Unknown

A12

B12


October

14S

14Q

14P

14U

14T

14R

Unknown

Unknown

A14

B14




Year/Month

1961

1962

1963

1964


January

C2

D2

E2

F2


April

C3

D3

E3

F3


May

C4

D4

E4

F4


February

C5

D5

E5

F5


June

C6

D6

E6

F6


March

C7

D7

E7

F7


July

C8

D8

E8

F8


November

C9

D9

E9

F9


December

C10

D10

E10

F10


September

C11

D11

E11

F11


August

C12

D12

E12

F12


October

C14

D14

E14

F14


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