Large old mortar, Nigeria, 1st half 20th century

Large old wooden mortar weighing more than 4 kilos, presumably from the Yoruba, but in any case from Nigeria. Heavily used and with appropriate and obvious traces of use and age. See the pictures.

Height: 26 cm
Circumference at the top: 67 cm
Weight: 4330 grams
Origin: Nigeria
Date: 1st half of the 20th century
Provenance: ex Peter Beaujean