Aurel Bacs, International Head of our Watch Department, shares his passion and knowledge of the only known matching pair of gold and enamel singing bird pistols. Among the most valuable and important works of art remaining in private hands, the value and ingenuity of these pistols are beyond description and must be seen and heard to be truly appreciated. -- Subscribe to Christie's YouTube: http://goo.gl/Vmh7Hf Sign up to Christie's Weekly: https://goo.gl/kc8qpV Follow Christie's on: Facebook: https://www.facebook.com/Christies Twitter: https://twitter.com/ChristiesInc Instagram: https://www.instagram.com/christiesinc Pinterest: https://www.pinterest.co.uk/christiesinc