© Licensed to London News Pictures. 06/07/2015. London, UK.  A Sotheby's technician shows a pair of bespoke gold-encrusted pistols made by the celebrated gunsmith Jean Lepage for Napoleon's three year old son (est. £800k to £1.2m at the preview of Old Masters, British Paintings and Masterworks from the collection of Castle Howard at Sotheby's ahead of the auction on July 8. Photo credit : Stephen Chung/LNP
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