Answers.Body: <p>The markings are the Batch number and element id.</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2014-08-08T01:09:41.750Z
Answers.Text: You should add more details to your answer like describing the format and your references
Answers.UserDisplayName: pcantin
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2014-08-08T07:28:35.680Z
Answers.Text: Woo, War Kings! (I blame and thank autocorrect)
Answers.UserDisplayName: gev
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2014-08-08T09:45:31.920Z
Answers.Text: I think they are Mould Ids rather than "batch" numbers specifically...
Answers.UserDisplayName: Zhaph - Ben Duguid
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Answers.CreationDate: 2014-08-08T00:49:39.433Z
Answers.LastActivityDate: 2014-08-08T09:40:23.397Z
Answers.LastEditDate: 2014-08-08T09:40:23.397Z
Answers.UserDisplayName: user3896
Body: <p>In addition to LEGO and DUPLO names embossed inside the pieces of early DUPLO figures, there are a variety of number formats (one to three digits, some hyphenated) and in the case of 1977, the year.</p>
  
  <p>Is there an explanation for what these numbers mean - and can they then be associated with a particular set and/or year?</p>
  
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2014-05-01T09:41:48.383Z
Comments.Text: Similar question: http://bricks.stackexchange.com/questions/1399/what-does-imprinted-information-inside-bricks-mean?rq=1
Comments.UserDisplayName: Kramii
Tags: <piece-information><duplo>
Title: What do factory markings on the inside of DUPLO pieces mean?
UserDisplayName: George
ThreadText: # What do factory markings on the inside of DUPLO pieces mean?
  
  (Asked by: username_0 on 2014-04-30)
  
  In addition to LEGO and DUPLO names embossed inside the pieces of early DUPLO figures, there are a variety of number formats (one to three digits, some hyphenated) and in the case of 1977, the year.
  
  Is there an explanation for what these numbers mean - and can they then be associated with a particular set and/or year?
  
  **Tags:** piece-information, duplo
  > **Comments:**
  > **username_1**: Similar question: http://bricks.stackexchange.com/questions/1399/what-does-imprinted-information-inside-bricks-mean?rq=1  
  
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  ## 1 answers
  
  ### Answer by username_2 on 2014-08-08. Score: -2
  
  The markings are the Batch number and element id.
  
  > **Comments:**
  > **username_3**: You should add more details to your answer like describing the format and your references  
  > **username_4**: Woo, War Kings! (I blame and thank autocorrect)  
  > **username_5**: I think they are Mould Ids rather than "batch" numbers specifically...  
  
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