TECHNICAL SYMBOLS

TECHNICAL SYMBOLS
Approved by the International Congress of Ex Libris

To be used in identifying a bookplate’s medium for exchangepurposes.

C.........Intaglio printing (blank); blind embossing
C1........Steel engraving
C2........Copper engraving
C3........Etching
C4........Drypoint
C5........Aquatint
C6........Softground Etching
C7........Mezzotint
C8........Intaglio engraving on linoleum, plastic or non-metallicsurfaces

X..........Relief printing (blank)-Braille is in this category or C
X1........Woodcut
X2........Wood Engraving
X3........Linoleum Cut
X4........Relief-printed engraved or etched metal plates, notably metalcut
X5........Relief-printed metal plates created for intaglio printing
X6........Relief-printed engraving of other materials, for examplesynthetic ones
X7........(Chinese) stone stamp

L..........Lithography
L1........Autolithography
L2........Autography (transfer lithography)
L3........Zincography
L4........Algraphy

S..........Stencil, "pochoir"
S1........Original serigraphy (screenprinting).
S2........Mimeography (dye stencil)
S3........Katazome (oiled-paper stencil)
S4........Kappa (Katazome made with persimmon juice)

CGD....Computer Generated Design is an “original” design createdby the artist with digital technology. The signature of the artist onthe print is of particular importance to confirm the originality ofthe work
CRD....Computer Reproduced Design a print effected by digitaltechnology

P..........Photographic reproduction
P1........Line Block, cliche
P2........Halftone
P3........Heliogravure, photogalvanography
P4........Commercial photogravure, rotogravure
P5........Collotype
P6........Photolithography
P7........Photo Offset
P8........Original photograph, hologram
P9........Serigraphic, photosilkscreen
P10......Etched steel printing (die-printing)

T.........Typography, letterpress
T1........Linotype
T2........Photoxylography, facsimile wood engraving
T3........Commercial rubber stamp

Y.........Photocopy this symbol was added to indicate photocopy andxerography

U.........Technique not listed above, including Frottage, ChineseRubbing and Collography. This symbol identifies unlistedtechniques and methods of image multiplication

E..........Calligraphic

MT.......Mixed Techniq