More than one mask from Nigeria
IGBO - Nigeria: "Helmet mask" - cm h37 x L24 x p42
IGBO - Nigeria: "Facial mask" - cm h37 x L19 x p12
Nigeria: Facial mask "Agbogho mmwo" - cm h23 x L18 x p15
Nigeria: Facial mask "Agbogho mmwo" - cm h32, 5 x L19, 5 x p16
details can be found here
http://www.africarte.it/etnie/elenco.etnie/Igbo/igbo (004). htm