This is a question for my education, not about a particular stamp. I notice that the look of the soft porous paper in many of the re-engraved issues (Scott 206-209) looks different from the paper in the earlier soft paper issues. I'm not sure how to describe it, but in general the paper seems more tightly wove. Does that makes sense? Was there some improvement in paper manufacturing or something that happened over time? Do collectors make any distinction of something like an "early soft paper" and a "later soft paper"?
Quote: Was there some improvement in paper manufacturing or something that happened over time? Do collectors make any distinction of something like an "early soft paper" and a "later soft paper"?
Might be the difference of the sizing agent in the paper.
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Posted 07/13/2020 10:36 am
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US SCOTTC18 OG NH 50C ZEPPELIN PRISTINE CONDITION WIDE MARGINS
US SCOTT166 VF 1873 90C PERRY VERY FINE AND VERY FADED
US 187079 BANKNOTES 136209 MOST VF NO DUPS ALL SOUND W153165189190
US SCOTT11A266365687173767894 EARLY US CLASSIC 18531867
US SCOTT209 UNUSED 18812 REENGRAVED 10C JEFFERSON
