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Paul And Rose Danby - Paul was visiting the ship with his uncle Adolf Saalfeld when he wrote the letter.
The first letter written on the Titanic by an excited visitor before the doomed liner sailed has surfaced 104 years later to reveal the tragic story of the author who was later murdered by the Nazis.
Paul Danby, a German-born Jew, left the ill-fated ship in Southampton after a quick look round, but not before he took the chance to write a letter home on Titanic-headed notepaper.
His letter described the levels of opulence on board has survived and is now being sold by auctioneers Henry Aldridge and Son of Wiltshire for £15,000.