Avars and Slavs posed a serious threat to the Byzantine Empire during the 6th century: Byzantine-style jewellery from an Avar woman's grave in the cemetery at Ozora, Hungary, second half of 7th century.
Budapest, Magyar Nemzeti Muzeum.
Webster, L., Brown, M., (eds), The Transformation of the Roman World A.D. 400-900, University California Press, Trustees of the British Museum Press 1997, p. 67, pl. 3.
© Magyar Nemzeti Muzeum, Budapest