Names of these jewellry items
Mmmm item 2 seems also to be safety chain, like you speculated,
according to:
http://cgi.ebay.co.uk/VINTAGE-9ct-GOLD-BROOCH-SAFETY-CHAINS-x-4-1950s_W0QQitemZ270296255027QQcmdZViewItem?hash=ite m270296255027&_trksid=p3286.c0.m14&_trkparms=72%3A 1345|66%3A2|65%3A12|39%3A1|240%3A1318
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