Hammer currency, ensuba
Bafia people, Cameroon, West Africa
Hand forged iron
16.25" (55.3 cm) high and 3.9" (40.6 cm) wide
19th century

Sometimes referred to as potato masher currency, this rare intact example weighs in at 11.6 pounds (5.15 kg). Ex private collection, Oregon.
#3641 

$900