signed 'Lilanga' (lower left); inscribed '66' (verso), signed 'Lilanga' (lower centre); inscribed '53' & '479' (verso), signed 'Lilanga' (lower left); inscribed '58' & '478' (verso), signed 'Lilanga' (lower centre); inscribed '70' & '238' (verso), signed 'Lilanga' (lower left); inscribed '92' (verso)