reproduction proof , repro (Abkürzung)

Loose illustrations, printed pages and reproduction proofs to be used for the production of books, including microcopies of such articles*.

These NASA emblems should be reproduced only from original reproduction proofs, transparencies, or computer files available from NASA Headquarters.

Microfilms of books, children's picture books and drawing or colouring books, school exercise books (workbooks), crossword-puzzle books, newspapers and periodicals, printed documents or reports of a non-commercial character, and of loose illustrations, printed pages and reproduction proofs for the production of books.