Six months after he arrived in Paris, he found another high-wheeled bicycle in a flea market and bought that too.
I grew up in New York and there was a Caldor that had a Sunday 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].