Here we have a really lovely gold necklace with a detachable t-bar. The chain is a gorgeous piece worn on its own or with a locket etc. It comes with a t-bar that completes the look of a traditional double albert. It is marked It is fully hallmarked for Birmingham but no date letter. I suspect c1980. It measures 52cm/21ins and weighs 15g. Colour is a mellow yellow gold.