#impression.publication__printing  all the copies of a work printed at one time; "they ran off an initial printing of 2000 copies"
  supertype:  publication  a printed work offered for distribution
  subtype:  edition  the form in which a text (especially a printed book) is published
     subtype:  limited_edition__limitededition  an edition that is restricted to a specific number of copies
     subtype:  variorum_edition__variorum  an edition containing various versions of a text or notes by various scholars or editors
  subtype:  test_copy__proof  (printing) a trial impression made to check for errors
     subtype:  galley_proof  a proof taken before the type is broken up to print pages
     subtype:  foundry_proof__foundryproof  a proof taken from a form before duplicate plates are made
  subtype:  mackle  a printed impression that is blurred or doubled

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