This pair of arms was (intended to be) inserted into a bronze figurine.
Sculped out of bone (the cheaper alternative for ivory). Urartian, 8th- 7th century BC.

Correspondent: J.M.Criel, Antwerpen.
Source: ‘Urartu, vergeten cultuur uit het bergland Armenië’ – Cataloog Tentoonstelling Gent okt ’82-jan ’83.