What: Secret sample sale Why: Serfontaine, Oki Ni and more at up to 80 percent off. When: 31 Aug.-3 Sept. Thurs., 1-8 p.m.; Fri.-Sun., 12:30-8 p.m. Where: Well Gallery, Dray Walk, Old Truman Brewery, 90 Brick Lane, E1 6QL. What: Frock me Why: Vintage Pucci, Lanvin and Chanel clothing and jewellery from £30. When: 2 Sept. Sat., 10 a.m.-5:30 p.m. Where: Chelsea Town Hall, Kings Rd., SW3 5EE (020 7254 4054). What: Vintage Fashion Accessories & Textiles Fair Why: Rare vintage Biba, Vivienne Westwood, Zandra Rhodes, YSL, Chanel and more. When: 10 Sept. Sun., 9:30 a.m.-4:30 p.m. Where: Battersea Arts Centre, Lavender Hill, SW11 5TN (020 8325 5789). What: Retro Design sale Why: Alexander McQueen, Moschino, C&C California and more at up to 80 percent off; free goodie bags. When: 14-16 Sept. Thurs., 1-10:30 p.m.; Fri., 10 a.m.-7:30 p.m.; Sat., 10 a.m.-5 p.m. Where: Studio 95, 95 Brick Lane, E1 6QL (01273 470880). What: Desinger Warhouse Sale Why: Betty Jackson, Nicole Farhi, Vivienne Westwood, Clement Ribero from 60 percent off. When: 15-17 Sept. Fri., 10 a.m.-8 p.m.; Sat., 10 a.m.-6 p.m.; Sun., 11 a.m.-5 p.m. Where: 45 Balfe St., N1 9EF (020 7837 3322).