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Bedrock Of The Community
United States
10115 Posts
Posted 08/08/2018   7:42 pm  Show Profile Bookmark this topic Add KuoLC5310 to your friends list Get a Link to this Message
Artistic Heritage
March 10, 2001
Sesto al Reghena
Engraver Antonio Ciaburro

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Edited by KuoLC5310 - 08/08/2018 9:49 pm

Bedrock Of The Community
United States
10115 Posts
Posted 08/08/2018   7:52 pm  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
70th Anniversary of foundation of city of Latina
June 30, 2003
Building designed by architect Angiolo Mazzoni
Engraver Luca Vangelli

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Edited by KuoLC5310 - 08/09/2018 5:36 pm
Bedrock Of The Community
United States
10115 Posts
Posted 08/08/2018   8:11 pm  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Artistic and Cultural Heritage
July 30, 2008
Millennium of the Bell Tower of Treviglio
July 31, 2010
Samnite Theatre in Pietrabbondante
Engraver Antonio Saliola


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Edited by KuoLC5310 - 08/11/2018 5:56 pm
Bedrock Of The Community
United States
10115 Posts
Posted 08/08/2018   9:36 pm  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Artistic and Cultural Heritage
May 27, 2009
Cathedral of St Mary, Mother of God of Rieti
July 7, 2011
Benedictine Abbey of the Holy Trinity in Cava de Tirreni
May 14, 2013
Municipal Theatre of Bologna
Engraver Antonio Ciaburro



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Edited by KuoLC5310 - 08/11/2018 6:10 pm
Bedrock Of The Community
United States
10115 Posts
Posted 08/08/2018   10:34 pm  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Artistic and Cultural Heritage
March 27, 2009
Rock Art in the Camonica Valley
Engraver Roberto Sabbatucci

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Edited by KuoLC5310 - 08/11/2018 5:53 pm
Bedrock Of The Community
United States
10115 Posts
Posted 08/08/2018   10:44 pm  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Artistic and Cultural Heritage
May 12, 2007
Rocca of Montefiore Conca
September 19, 2008
Malatestian Library Cesena
June 1, 2012
Cathedral of Trani
Engraver Rita Morena




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Edited by KuoLC5310 - 08/18/2018 6:55 pm
Bedrock Of The Community
United States
10115 Posts
Posted 08/08/2018   10:55 pm  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Artistic and Cultural Heritage
October 25, 2014
Bridge of Real Ferdinando over Garigliano
Engraver Maria Carmela Perrini

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Pillar Of The Community
United States
1797 Posts
Posted 08/08/2018   11:04 pm  Show Profile Bookmark this reply Add bookbndrbob to your friends list  Get a Link to this Reply
All of these modern Italian engravers appear to be working with computer-driven, or at least mechanized equipment to do their work.

Does anyone here at SCF known whether or not this is correct?
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Edited by bookbndrbob - 08/08/2018 11:41 pm
Valued Member
United Kingdom
282 Posts
Posted 08/09/2018   02:37 am  Show Profile Bookmark this reply Add 65170 to your friends list  Get a Link to this Reply
Not sure about the method used, but they all somehow look "wrong" to me. Perhaps it's a specific style that has been adopted, but I am not a fan! GLENN
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Valued Member
Malta
69 Posts
Posted 08/09/2018   07:51 am  Show Profile Bookmark this reply Add Halfpenny Yellow to your friends list  Get a Link to this Reply
I actually quite like the engraving work and design of the stamps.
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Bedrock Of The Community
United States
10115 Posts
Posted 08/09/2018   09:43 am  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
The stamps in this Italian Artistic and Cultural Heritage series are produced in rotocalco (rotogravure), a printing process by which the paper is rolled through intaglio cylinders.
Several other stamps (such as the 2014 Emperor Augustus stamp shown below) are produced in Calcografia e rotocalco (calcography and rotogravure).

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Pillar Of The Community
United States
1797 Posts
Posted 08/09/2018   11:30 am  Show Profile Bookmark this reply Add bookbndrbob to your friends list  Get a Link to this Reply
Thanks KuoLC5310. That is quite informative as regards the printing.

The actual engraving work is the point of my inquiry. It lacks the subtleties of the artist's hand, i.e., it looks quite mechanical and "leaves me cold".
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Bedrock Of The Community
United States
10115 Posts
Posted 08/09/2018   5:02 pm  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
bookbndrbob: Thank you for your comment. These stamps are indeed distinctly different from traditional intaglio stamps.
I found an article Gravure Stamp Cylinders by Glenn H. Morgan:
https://www.ohiogt.com/doc/articles...ts%201-3.pdf
I will share new information when I find it. I also welcome comments from SCF members.


Artistic and Cultural Heritage
May 2, 2014
Ponte di Tiberio
October 25, 2014
Celtic huts in Fiumalbo
Engraver Rita Fantini




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Edited by KuoLC5310 - 08/11/2018 5:43 pm
Pillar Of The Community
Czech Republic
558 Posts
Posted 08/10/2018   08:08 am  Show Profile Bookmark this reply Add florian to your friends list  Get a Link to this Reply
Compare the difference between stamps in the Italian Artistic and Cultural Heritage series printed
either in rotocalco (gravure):
http://www.ibolli.it/php/em-italia-...0Augusta.php
http://www.ibolli.it/php/em-italia-...0Sanremo.php
http://www.ibolli.it/php/em-italia-22111.php

or in calcografia (line engraving):
http://www.ibolli.it/php/em-italia-21890.php
http://www.ibolli.it/php/em-italia-22112.php
http://www.ibolli.it/php/em-italia-22113.php

and see what
http://wiki.ibolli.it/wiki/index.ph...he_di_stampa
says on the difference between calcografia and rotocalco.

The 2014 Emperor Augustus stamp http://www.ibolli.it/php/em-italia-...20velato.php is a combination printing of gravure and line engraving in two colours: yellowish (gravure) and black (line engraving).

The stamps in the Italian Artistic and Cultural Heritage series shown in the previous posts are produced in calcografia (line engraving), not in rotocalco (gravure). See
http://www.ibolli.it/php/em-italia-...20Sylvis.php
http://www.ibolli.it/php/em-italia-...elegrafi.php
http://www.ibolli.it/php/em-italia-...reviglio.php
http://www.ibolli.it/php/em-italia-...%20Rieti.php
http://www.ibolli.it/php/em-italia-...%20Trani.php

NB Rotocalco in http://www.ibolli.it/php/em-italia-21890.php above is an obvious error such as those that sometimes occur in references to Stampa (= printing process) in the catalogue above, for example in
http://www.ibolli.it/php/em-italia-...Pasolini.php

or in
http://www.ibolli.it/php/em-italia-...truviano.php
http://www.ibolli.it/php/em-italia-22659.php
http://www.ibolli.it/php/em-italia-22660.php
http://www.ibolli.it/php/em-italia-22661.php

while
https://books.google.cz/books?id=Oy...ollo&f=false
says: S/tampa:/ calcografia
and
https://books.google.cz/books?id=j8...2015&f=false
says: S/tampa:/ calcografia a 3 colori di cui uno con inchiostro metallizzato.


Moreover, see my post http://goscf.com/t/41352&whichpage=2#528892
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Edited by florian - 08/14/2018 01:26 am
Bedrock Of The Community
United States
10115 Posts
Posted 08/10/2018   11:15 am  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
florian: Your information and comments are greatly appreciated. Confusion can occur due to errors in catalogues.

Below I present translation from one article in your list, to summarize the printing techniques of modern Italian stamps.

Today the two most used printing methods for the Italian stamps are chalcography and rotogravure with very fine net.

Calcography
In the calcography the matrix is engraved with a burin. The ink is applied to the whole table and then cleaned with a blade; the excess ink is removed with the exception of the filtered part in the cavities of the incision. Once the paper dampened on the plate is pressed, the ink transfers, leaving a characteristic relief, more or less accentuated, which is clearly visible in grazing light. In some cases, if the paper is not too thick, it is also possible to see the respective grooves on the verso.

Rotogravure
The rotogravure can be considered an evolution of the chalcography; the difference lies in the method used to create the grooves of the matrix: no longer engraved manually but obtained with an automated process. The drawing to be printed is transferred to the surface of the cylinder using a screen made up of many small dots. Subjected to a light beam, the mesh transmits the points to the cylinder which, thanks to particular chemical substances, is dug in correspondence with the illuminated parts. The greater the light reaching the cylinder, the deeper the recess becomes, creating a greater inking. The transfer method to the card is then the same as the calcography.

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Pillar Of The Community
United States
1797 Posts
Posted 08/10/2018   11:37 am  Show Profile Bookmark this reply Add bookbndrbob to your friends list  Get a Link to this Reply
Thanks Florian and KuoLC5310. This information really gets to the point. The "Artistic and Cultural Heritage" stamps are printed by rotogravure.

So, "(the) grooves (are) no longer engraved manually but obtained with an automated process." It appears to be a mechanized, or computer-driven, photo etching process applied to the steel cylinder. The original artwork could have been done in any number of ways.

I guess the cold, robotic look is intentional.
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Edited by bookbndrbob - 08/10/2018 12:23 pm
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