Yoruba Tribe statue of head

Ife style. Hollow Brown clay head with a dark earthen patina. Air hole visible at the top. Double portrait with faces depicted on either side. Slit eyes with pouting lips. Long neck with unidentified objects attached decoratively at the top of the head.
African antiquities are authentic and come with a Certificate of Authenticity.
African
1700s
7 1/2” x 5”