Largest 8cm in diameter. 
Provenance: William Ohly (1883 - 1955) Berkeley Galleries and Abbey Museum, New Barnet, London, UK, and thence by descent. 
Two armbands - Henry Ling Roth, UK. (1855 - 1925) Anthropologist and museum curator. 
One armband - Kennedy Collection, UK. The faded label reads “Kennedy Collection 243 New Guinea. S.E Dist Armlet of Shell ETH.ALB.B12 : No 5 19.?.92”