A letter written by one of the most well-known Titanic survivors sold for about $399,000 at auction over the weekend.

Since the Titanic’s tragic shipwreck in 1912, people around the world have wanted to preserve the legacy of not only the ship but its passengers, as well. For that reason, auctions focused on Titanic memorabilia have continued to garner attention for more than 100 years after the accident.

The lettercard, penned by one of the Titanic’s best-known survivors just days before the steamship sank, smashed estimates to sell for £300,000 ($399,000) at a UK auction.