Couple of 3 bronze bracelets, West Africa, 1st half 20th century

Beautiful lot of 3 bronze bracelets from West Africa. Bronze bracelet with 2 crocodile heads, one bracelet (presumably 19th century) with just some visible round-shaped figurations and a bracelet with slightly visible figurations.

Diameter from small to large, outer size is: approximately 8 cm for the two smaller ones and approximately 9 cm for the largest
Weight together: 647 grams
Origin: West Africa
Date: 1st half of the 20th century (the smallest is probably even older)
Provenance: Obtained in situ by Peter Beaujean

(lot no. 1)