Comment: Once i give him the necklace he says to hide it into Karolina's house with a letter, but immediately after the dialogue my mission fails and i can't talk to Hans anymore.
Comment: I need a location, damnit
Comment: Where do we start this quest?
Summary: no summary given
Summary: I robbed the Uzhitz baillif and he was wearing one, so
Summary: added location and purpose
Comment: You will fail it anyway, Hans will run into the camp mid-chase.
Summary: Orderly edit 2
Comment: Quite commonly spawns on gamblers who use them to play farkle with you. You can pickpocket them to acquire it for yourself.