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New! Manufacturers Date Codes

Bailey-Walker / Walker China Date Codes

 

Pieces are date coded by mark and by code. Though some of the earlier pieces may be marked with an easy date code of a 4 digit code which represents the full year. Some of the other earlier pieces and later pieces are marked with either a single or double digit number (dash) double digit number or a letter (dash) double digit number code. Knowing that Bailey-Walker marks are pre 1942 and Walker marks are post 1942 will help identify which code to use.

 

1923-1942: Bailey-Walker mark - Four digit number codes might represent the year produced.

 

 

 

 

 

 

 

 

 

 

 

 

 

Year/Month

1923

1924

1925

1926

1927

1928

1929

1930

1931

1932

January-December

1923

1924

1925

1926

1927

1928

1929

1930

1931

1932

 

 

 

 

 

 

 

 

 

 

 

Year/Month

1933

1934

1935

1936

1937

1938

1939

1940

1941

1942

January-December

1933

1934

1935

1936

1937

1938

1939

1940

1941

1942

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1923-1942: Bailey-Walker mark - a single or double digit number(dash)double digit number code is used. The first single digit number of 1-12 represents the month of January to December. The second double-digit number represents the year.

 

 

 

 

 

 

 

 

 

 

 

Year/Month

1923

1924

1925

1926

1927

1928

1929

1930

1931

1932

January

1-23

1-24

1-25

1-26

1-27

1-28

1-29

1-30

1-31

1-32

February

2-23

2-24

2-25

2-26

2-27

2-28

2-29

2-30

2-31

2-32

March

3-23

3-24

3-25

3-26

3-27

3-28

3-29

3-30

3-31

3-32

April

4-23

4-24

4-25

4-26

4-27

4-28

4-29

4-30

4-31

4-32

May

5-23

5-24

5-25

5-26

5-27

5-28

5-29

5-30

5-31

5-32

June

6-23

6-24

6-25

6-26

6-27

6-28

6-29

6-30

6-31

6-32

July

7-23

7-24

7-25

7-26

7-27

7-28

7-29

7-30

7-31

7-32

August

8-23

8-24

8-25

8-26

8-27

8-28

8-29

8-30

8-31

8-32

September

9-23

9-24

9-25

9-26

9-27

9-28

9-29

9-30

9-31

9-32

October

10-23

10-24

10-25

10-26

10-27

10-28

10-29

10-30

10-31

10-32

November

11-23

11-24

11-25

11-26

11-27

11-28

11-29

11-30

11-31

11-32

December

12-23

12-24

12-25

12-26

12-27

12-28

12-29

12-30

12-31

12-32

 

 

 

 

 

 

 

 

 

 

 

Year/Month

1933

1934

1935

1936

1937

1938

1939

1940

1941

1942

January

1-33

1-34

1-35

1-36

1-37

1-38

1-39

1-40

1-41

1-42

February

2-33

2-34

2-35

2-36

2-37

2-38

2-39

2-40

2-41

2-42

March

3-33

3-34

3-35

3-36

3-37

3-38

3-39

3-40

3-41

3-42

April

4-33

4-34

4-35

4-36

4-37

4-38

4-39

4-40

4-41

4-42

May

5-33

5-34

5-35

5-36

5-37

5-38

5-39

5-40

5-41

5-42

June

6-33

6-34

6-35

6-36

6-37

6-38

6-39

6-40

6-41

6-42

July

7-33

7-34

7-35

7-36

7-37

7-38

7-39

7-40

7-41

7-42

August

8-33

8-34

8-35

8-36

8-37

8-38

8-39

8-40

8-41

8-42

September

9-33

9-34

9-35

9-36

9-37

9-38

9-39

9-40

9-41

9-42

October

10-33

10-34

10-35

10-36

10-37

10-38

10-39

10-40

10-41

10-42

November

11-33

11-34

11-35

11-36

11-37

11-38

11-39

11-40

11-41

11-42

December

12-33