A late 19th century bar and hoop link collar suspending

A late 19th century bar and hoop link collar suspending a cast locket, of unhallmarked gilt metal, the chain composed of alternating links - pierced and beaded rectangular bars and engraved oval hoops - joined at the front by a hinged ring which suspends a further short length of the same chain, then another smaller hinged ring and the oval locket, both sides of which are cast in an ornate design of small shells and flowers, bale similar, the locket containing two painted photographic portraits of a Victorian couple; length of necklace as worn, 46cm, of suspension 11.2cm, of which locket with bale 5.2cm