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All Forums Category: General Philatelic s (Non Country Specific) Forum: Stamp Production Process Forum

Photogravure " hard dot " technique

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Author

Topic

lithograving

Pillar Of The Community

Canada

4373 Posts

Posted 03/26/2014 5:19 pm

This Australia Philatelic Bulletin March 1978 article
mentions that the " hard dot " technique was used
in producing the photogravure cylinders for the
18c Australia Day 1978 stamp issue.

First I heard of this term.
Any more information out there?

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Edited by lithograving - 03/26/2018 7:09 pm

Galeoptix

Pillar Of The Community

Netherlands

640 Posts

Posted 03/27/2014 11:29 am

This sound like surface-variable screen instead of depth-variable screen!

I hadn't realised it was used for Australian stamps, but it was quite common for USA stamps and occasionaly in other countries like Poland or Brasil...

Quite often referred to by "autotypical" screen...

groetjes, Rein

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smauggie

Pillar Of The Community

United States

5869 Posts

Posted 03/27/2014 12:31 pm

You learn something new every day.

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APS Member #: 222539 AAPE, Maplewood Stamp Club (MN), Northern Philatelic Society, US Philatelic Classics Society, Auxiliary Markings Club, Canal Zone Study Group, Minnesota Postal History Society

lithograving

Pillar Of The Community

Canada

4373 Posts

Posted 03/27/2014 4:01 pm

Thanks Rein.

Would you know what years and what stamp issues this type
was used on for the US, Polish and Brazilian stamps?

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Topic

All Forums Category: General Philatelic s (Non Country Specific) Forum: Stamp Production Process Forum

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