Three collar necklaces; including a geometric necklace with neon-coloured acrylic mounted in silver, connected to forged cable links and a hook clasp, with Swiss convention marks '925', marked 'ITALY BV', drop length 20.0 cm; a collar necklace with dark Biwa pearls and white off-round cultured pearls, on a black woven base with hook clasp, marked '925', drop length 20.0 cm; a four-row dyed quartzite bead necklace, with bead spaces and chased plaques, secured by a hook clasp, drop length 21.0 cm.