Sarto in Viaggio - ... in the name of Humphrey Bogart. the great actor was the protagonist of the trench coat. just remember the final scene in the unique movie Casablanca! Perhaps
Move over, Bogart. The trenchcoat has had a very modern makeover | Men's fashion | The Guardian
Humphrey Bogart Casablanca Trench Coat | Rick Blaine Costume
Aquascutum Pays Homage to Humphrey Bogart with Trench Coat – The Fashionisto
Outerwear: 1930s-1940s Men | Fashion and Decor: A Cultural History
Burberry's Bogart battle - Telegraph
Vogue encyclopaedia: The history of the trench coat | Vogue France