Spellbooks engravings, apparently, are not a distinctive color, as are weapon or armor engravings. The result is potential scams, like the one described by another player here:
http://stratics.com/community/threads/i-was-scammed.290839/
This seems likely to be a bug or at least not specifically intended.
-Galen's player
http://stratics.com/community/threads/i-was-scammed.290839/
This seems likely to be a bug or at least not specifically intended.
-Galen's player