King Thakambau.

Scarce c.19th engraved portrait of Ratu Seru Epenisa Cakobau (occasionally spelled Cacobau or Thakombau) (c.1815-1883) was a Fijian Ratu and warlord (Vunivalu) who united part of Fiji’s warring tribes under his leadership, establishing a united Fijian kingdom.

References:
Ferguson, J. A. Bibliography of Australia Volumes 1-8, Canberra 1976 : 9829g.
Hughes-d’Aeth, T. Paper Nation : The Story of the Picturesque Atlas of Australia. Melbourne 2001.

Collections:
National Library Australia: Bib ID 1654251
National Gallery Australia: LEGACY ID 34588
Royal Collection Trust UK: RCIN 1046852
Getty Museum Los Angeles: Object name: 1218593
State Library New South Wales: RECORD IDENTIFIER 74VvDRQZXzWd
State Library Victoria: CCF 919.4 G19