Maybe put in a skill called "Engrave" that lets you put a name on any newly created item.
being able to put your name on stuff will help with tracking stuff that has been stolen.
Or crafters who take pride in their work can let the world know who made that nice masterpiece.
Signed Parchment can be used for a little roleplaying, like giving someone a quest, a letter of trust or for trading.
Sealed Parchment, a letter sealed with a grand wax seal and a unique ring that is account bound like hats.