by Célia Lebur  LAGOS, Nigeria (AFP) — First there was Tutu, the “African Mona Lisa” sold last year for 1.5 million dollars. Then a second portrait by revered Nigerian painter Ben Enwonwu, called Christine, sold in mid-October, for 1.4 million dollars. Both record sales of famous works by the late “father of African modernism”, captured the emergence of Nigeria’s art market. A decade ago, major African artists were largely absent from international auctions. But the […]