John and Kimiko Powers began collecting American Pop Art from its early beginnings in the 1960s. Noted for their patronage of artists, the couple's collection is now one of the most comprehensive of the Pop Art movement.

This exhibition, presenting some 200 works by the movement's most prominent artists, is the first of it's kind to be held in Japan. Included are paintings, sculpture, drawings, and prints by such artists as Roy Lichtenstein and Tom Wesselmann. One major highlight is the inclusion of Andy Warhol's "200 Campbell's Soup Cans," which is being publicly shown in Japan for the first time; Aug. 7-Oct. 21.

The National Art Center, Tokyo; 03-5777-8600; 7-22-2 Roppongi, Minato-ku, Tokyo; Nogizaka Station, Chiyoda Line. 10 a.m.-6 p.m. (Fri. till 8 p.m.). ¥1,500. Closed Tue. www.nact.jp/english