It's not really called "fugitive ink". There is a term called "fugitive tagging" that was the tagging applied on some Canadian stamps. When soaked, the phosphorescent tagging can release from the stamp from where it was applied and move to another stamp that might be soaking at the same time as the tagged stamp.
What you are referring to are the aniline inks and other water soluble inks. These inks simply dissolve in water and do not move to other stamps. Both Scott and Gibbons note the aniline inks and provide warnings for those and for other stamps that were printed on water soluble inks.
But most collectors only discover the warnings after they find some perforated, possibly watermarked, blank canceled labels as they dry off their pretty pieces of paper. That is when they open the books and try to figure out what happened.
Apparently fugitive inks do exist: This is a definition I found in the Ask Phil glossary:
an ink that dissolves or disintegrates in water; used in the production of some stamps to prevent forgery and make it impossible for re-use; some stamps or Netherlands Indies are printed entirely with water soluble fugitive inks.
Does anyone know any easy way to know if a stamp has fugitive ink or not? Is there a list somewhere, or can I count on there to be a footnote in Scott or Gibbons? I know I would have to avoid some of the early GB and I think anything listed as chalky paper.
For example, I have a old album page full of Transvaal I am processing I think would be quicker and the stamps would look better if I just soaked the whole thing and then flattened and dried the stamps.
Thanks,
Josh
re: Identifying Fugitive Ink and taggant...and a warning
It's not really called "fugitive ink". There is a term called "fugitive tagging" that was the tagging applied on some Canadian stamps. When soaked, the phosphorescent tagging can release from the stamp from where it was applied and move to another stamp that might be soaking at the same time as the tagged stamp.
What you are referring to are the aniline inks and other water soluble inks. These inks simply dissolve in water and do not move to other stamps. Both Scott and Gibbons note the aniline inks and provide warnings for those and for other stamps that were printed on water soluble inks.
re: Identifying Fugitive Ink and taggant...and a warning
But most collectors only discover the warnings after they find some perforated, possibly watermarked, blank canceled labels as they dry off their pretty pieces of paper. That is when they open the books and try to figure out what happened.
re: Identifying Fugitive Ink and taggant...and a warning
Apparently fugitive inks do exist: This is a definition I found in the Ask Phil glossary:
an ink that dissolves or disintegrates in water; used in the production of some stamps to prevent forgery and make it impossible for re-use; some stamps or Netherlands Indies are printed entirely with water soluble fugitive inks.