Golden bracelets with bull-head finials

Unknown provenance (from the so called Karpenissi Treasure).
Late 3rd-early 2nd c. BC.
(ΕΑΜ/ΝΑΜ Στ.370, 371)

They are composed of two semicircular tubes of gold-sheet covered with gold net, ending in a bull-head with embossed details.