&copy; Licensed to London News Pictures. 29/06/2018. LONDON, UK. A staff member presents &quot;The Dresden Mars&quot; by Giambologna (Est. &pound;3-5m).  Preview of Old Masters, British, Treasures, Sculptures and Ancient works at Sotheby's New Bond Street to be offered for sale on 3 and 4 July 2018.  Photo credit: Stephen Chung/LNP