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?
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...
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
Disclaimer: While a tremendous amount of effort goes into ensuring the accuracy of the information contained in this site, Stamp Community assumes no liability for errors. Copyright 2005 - 2019 Stamp Community Family - All rights reserved worldwide. Use of any images or content on this website without prior written permission of Stamp Community or the original lender is strictly prohibited. Privacy Policy / Terms of UseAdvertise Here