The wreck
The Lutine was a French frigate of thirty-two guns, handed over to the British at Toulon in 1793 and kept under her name. In October 1799 she sailed from Yarmouth for the mouth of the Elbe, carrying gold and coin for the merchants of Hamburg. On October 9 a northwesterly gale drove her onto the sandbanks between Vlieland and Terschelling, where she broke up (Lloyd's, Dutch Cultural Heritage Agency).
The exact value of the cargo was never settled: published estimates run from 430,000 pounds to 1.2 million (Interlloyd, Dutch Cultural Heritage Agency). What is certain is that the London underwriters paid the claim in full.
What the market paid, and what it got in return
When an insurer pays a total loss, it becomes the owner of whatever is left: this is abandonment. The gold lying in the sand therefore belonged to the underwriters. But Britain was at war with the Batavian Republic, France's ally, and the Dutch authorities treated the wreck as a prize: the state claimed the salvage rights, which a Terschelling official received from the king in 1821 (Scientific American, Dutch Cultural Heritage Agency). An ordinary marine loss was settled, in the end, by an act of war. Salvage campaigns followed one another for more than a century and a half, and only a small share of the cargo, around a fifth by one estimate, has been brought up.
One stroke, two strokes
The bell was raised in 1858, during one of those campaigns, and hung in the market's room. It has followed the market through every move: the Royal Exchange, Leadenhall Street in 1928, Lime Street in 1958, and the current building since 1986 (Campaners).
It was struck when news came in about an overdue ship, one that might or might not be lost: once if she was, twice if she had come home. The point was not ceremony but fairness: every broker and every underwriter learned the news in the same second, and trading in the reinsurance of that ship stopped at once, since no one could any longer sell another a risk whose outcome he already knew (Londonist, Campaners).
Cracked from use, the bell no longer rings for ships. It rings for mourning and for great moments: after September 11, 2001, the 2004 tsunami, the 2005 London bombings, on every Armistice Day, and on the death of Elizabeth II in 2022 (Insurance News, City AM).
What it teaches
Information that is worth money has to reach the whole market at the same time, or the one who knows sells to the one who does not. Modern financial law has written whole rulebooks to achieve what the bell achieved with a sound. And the story of its wreck carries the trade's other lesson: even a claim paid within a fortnight can end up in the hands of a state.
This page tells a story; it says nothing about what anyone should insure today.