The vast array of original tools, stamps and machinery that remains inside the factory.
The Jewellery Quarter is home to over 400 jewellery businesses, still making an estimated 40% of UK jewellery and home to over 100 independent specialist jewellery retail outlets.
A designated conservation area with over 200 listed buildings, it is a proposed World Heritage Site.
Other attractions include Heritage Trails and the Royal Birmingham Society of Artists.
It has been described by English Heritage as a unique historic environment in England.