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Ink with a coal-tar base. Such inks are very sensitive and may dissolve in water or other liquids or chemicals. In stamp collecting, these types of inks were used in printing to prevent the erasure of cancellations and reuse of stamps.
Aug 24, 2008
Looking for tweets for aniline ink.
‘aniline ink’ has been looked up 357 times, added to 1 list, commented on 1 time, and is not a valid Scrabble word.