Interestingly, from that and the current rules, perhaps the best way to perform a theft is to walk into an open and empty tent, take any valuable (in terms of story, such as the press) or in-in-game value (such as lammied items), and take the props to GOD. Leaving an OOC notes, saying: "your phys-reps have mysteriously vanished, they will be in GOD"
I mean, stealing the prop is uncool, but stealing the item and returning the prop I could see. How much for, sold overseas, the Artefact Shield of the Empress? I'm sure even amongst the wealthy of Anvil, that would bring them a ... hah... a king's ransom