Fashion is one of the best identifiers of when a photo was taken. And if the wardrobe is just a little more fab or eccentric, you might assume it was also taken in San Francisco. For this week's throwback, we present a century of style in the city.

1936: This group of ladies, dressed in '30s skirt suits and small hats, are pretending to hitchhike on the Bay Bridge. (via Tumblr/Pinterest)