Marginal Markings Committee

 

Production Markings - Index

 

 

 

 

Design Elements

III. PRODUCTION MARKINGS   

 

      A.  Craftsmen's Initials - Siderographers, Plate finishers, Printers Producers’ Identity

 

       B.  Flat Plate Production Markings - Sheet separation, Perforation, Feed lines

 

       C.  Rotary Plate Production Markings

            1.  Sheet guide marks

            2.  Sheet separation - Pre 1939, Post 1939

            3.  Perforation - Type I, Types II and III, Type IV, Type V, Type VI

            4.  Automatic production control

           

        D.  Color Controls

            1.  Flat plate bicolors - Registration, Inversion, Pairing

            2.  Rotary press multicolor - BEP

            3.  Rotary press multicolor - Commercial Printers

 

        E.  Press Identification

 

       

                 

 

Plate Identification

 

Production Markings

 

Inscriptions

 

 

 

                                                

REFERENCES

 

Harold B. Collins, Jr. and Doug D’Avino, "A Categorization of Marginal Markings", The United States Specialist, Vol 75, December 2004.

 

 

 

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