This question is based on selected poems from D. Ker, C. Maduka et al (eds.): New Poetry from Africa, Wole Soyinka (ed.): Poems of Black Africa, K.E. Senanu and T. Vincent (eds.): A Selection of African poetry and E.W. Parker (ed.) A Pageant of Longer Poems.
The persona in 'My Last Duchess' regards the painting as