Mbole coin-knee pad, Democratic Republic of Congo

Late 19th - early 20th century.
Copper
Dimensions: diameter: 21.5 cm x depth 15.3 cm x with base 33 cm.
A stylistic sketch of this Mbole coin, perfection of the hollow circular shape punctuated by an open axis at its top. Its patina, as if hammered
by use, attests to the numerous exchanges in which it was involved.
Private collection.
In perfect condition.