Found these on eBay, but are they authentic? Please help
http://cgi.ebay.com/Kenneth-Jay-Lane-Gold-Giraffe-Bracelet_W0QQitemZ260350118574QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item260350118574&_trksid=p3286.c0.m14&_trkparms=72%3A1326|66%3A2|65%3A12|39%3A1|240%3A1318|301%3A1|293%3A1|294%3A50
http://cgi.ebay.com/Kenneth-Jay-Lane-Shere-Khan-Bangle-Bracelet_W0QQitemZ260335956211QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item260335956211&_trksid=p3286.c0.m14&_trkparms=72%3A1326|66%3A2|65%3A12|39%3A1|240%3A1318|301%3A0|293%3A1|294%3A50#ebayphotohosting
http://cgi.ebay.com/Kenneth-Jay-Lane-KJL-White-Blue-Giraffe-Head-Bracelet_W0QQitemZ400033509050QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item400033509050&_trksid=p3286.c0.m14&_trkparms=72%3A1326|66%3A2|65%3A12|39%3A1|240%3A1318|301%3A0|293%3A1|294%3A50#ebayphotohosting
http://cgi.ebay.com/New-Kenneth-Jay-Lane-White-Black-Tiger-Bracelet-Rare_W0QQitemZ290298542013QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item290298542013&_trksid=p3286.c0.m14&_trkparms=72%3A1326|66%3A2|65%3A12|39%3A1|240%3A1318|301%3A1|293%3A2|294%3A50#ebayphotohosting
How can I tell if the bracelets are fake or not?
KJL is not my forte, so hopefully one of the others can help.