It's a very cozy place, and the dining area is furnished with flea-market furniture from the '60s and '70s.
The third was outside of San Francisco, in a gigantic ghost-mall that was already being used as a flea-market.
1917, especially in reference to the marché aux puces in Paris, so-called "because there are so many second-hand articles sold of all kinds that they are believed to gather fleas." [E.S. Dougherty, "In Europe," 1922].