Like the old treasure trove law in mainland Britain, replaced in 1997 with the much more straightforward Treasure Act, Jersey's treasure regulations are based on medieval law, and depend on establishing not just that the hoard contains precious metal but how and why it came to be placed in the ground.
The campaigners who raised £11m to save it aim to preserve its unique character but make it a much more visible treasure.
But, as I discovered when I entered the marble-floored lobby this summer, the building was a much more unexpected cultural treasure: an $80 million, 203-room Sheraton hotel, which opened in June and became Batumi's first international brand hotel.
How many more lives must we lose, how much more of our treasure must we expend, how much longer will we expose irreplaceable habitat and wildlife to ruin and risk before we decide, as a nation, to change course?
WHY: If you haven't visited recently, know that today Istanbul is much more than historical treasures such as the Blue Mosque, Topkapi Palace, Galata Tower, Basilica Cistern, the Grand Bazaar and Hagia Sophia.
Mr Obama and his European counterparts are desperate to persuade their voters, weary of war and austerity, that the expenditure of much blood and even more treasure on what many now count as a hopeless cause really is coming to an end.
But there's much more to that - urban treasures, which usually get little to no attention.
It starts with a presentation of raw ingredients that includes sea urchin, langoustine, abalone, lobster and so much more of the ocean's treasures that it's surprising no one presents a bowl of pearls for dessert.
But the encounter I treasure most was much more intimate.
But if, when a shopper said no, the clerks responded by asking, "Is there somewhere else you'd expect to find that item?" and if they also asked, "Is there something you want that we don't ever carry?" the company would end up with a treasure trove of much more useful customer research.
