Quote:
Flat plate perforations need not, and are seldom, aligned between rows. On the other hand, rotary press coil perforations must be aligned. However, the perforation rows should be parallel.
Sorry, still learning. So the perfs don't have to line up vertically between stamps but to my eye, they also don't seem to line up horizontally either?
Posted 04/25/2019 10:45 am
