Last week was an exciting time for enthusiast of vintage fashions. Two events, the auction of Roger Vivier prototypes at Pierre Bergé & Associés held at the Drout in Paris (July 9, 2009) and the launch of the “Vintage Haute Couture and Designer Fashions” section at 1stdibs (http://www.1stdibs.com/), sent hearts fluttering. 1stdibs, an online marketplace