Thread: Retro Reveal - Detects Alterations and Changes To Paper/Cardboard
View Single Post
  #5  
Old 09-19-2019, 10:06 AM
drcy's Avatar
drcy drcy is offline
David Ru.dd Cycl.eback
 
Join Date: Jul 2013
Posts: 3,473
Default
I'm no stamp expert, but I assume most have perforated edges that must make trimming detection all that much easier. I wonder how much trimming is an issue.
Reply With Quote