Norwalk’s Lockwood-Mathews Mansion Museum will host its 12th annual Old-fashioned Flea Market on Sunday, Sept. 15, 2019. There will be more than 70 booths of vendors selling antiques, repurposed furniture, collectibles, jewelry, crafts, household items, clothing, toys and specialty farm-to-table items. LMMM will manage a White Elephant table, highlighting items donated by supporters and offered for as little as $1. Food trucks will be on hand, including Cousins Maine Lobster, recently featured on “Shark Tank”; The Chamo, serving Venezuelan beach cuisine; and Lucky Dog Food Truck, featuring specialty hot dogs.