Results of Recent Auctions From Near and Far by Ken Hall A still-life painting by Wayne Thiebaud (Am., b. 1920), titled Watermelon Slice (1958), sold for $78,650 at an auction held Feb. 18-19 by Clars Auction Gallery in Oakland, Calif. Also, Thiebaud’s Skyline, New York City (1956) hit $48,400; a watercolor by Chiura Obata (Am./Jap., […]