It was listed by Hand of Glory. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.
Hand of Glory has dated this piece to the 1860s.

90cm high (117cm high to top of back) x 100cm wide x 37.5cm deepCp0-0-00-
Sometimes described as 'The Prince of Locksmiths' Charles St Aubin patented a number of lock designs during his lifetime, including a lever mechanism which had a profound and lasting influence on other lock makers of the 19th Century. A history of this work and influence can be read on the following link http://www.historyoflocks.com/lib005.html and
http://www.blackcountrybugle.co.uk/priceless-victorian-marvel-public-time-162-years/story-20149287-detail/story.html
Hand of Glory has dated this piece to the 1860s.
Decorative antiques & interiors
You can view the stock and full dealer information on the Hand of Glory Profile Page