Shiny hip joint.
I'm somewhat guessing by classifying this as a cobalt-chrome alloy, but it's a reasonable guess. Definitely too heavy to be titanium, the other plausible metal. Source:eBay seller mickw16 Contributor:Theodore Gray Acquired:20 December, 2003 Text Updated:11 March, 2007 Price: $60 Size: 6" Purity: <60% Sample Group:Body Parts+Medical