PARIS — The address is legendary and has been synonymous with elegance for 104 years. At number 18 Boulevard Latour Maubourg, in Paris’s 7th arrondissement, it’s as if ghosts from the past have resurfaced in front of the barely changed facade of the caviar distributor Petrossian. ✉️ You can receive our Bon Vivant selection of fresh reads on international culture, food & travel directly in your inbox. Subscribe here. Drawn from the archives for our appointment, the black and white photos conjure up memories and silhouettes from another era: mustached men in long overcoats, with women wearing fu…