Home Ā» ▶ Christophe Choo on HGTV Selling LA Season IV Episode 403 – Major Clients – the Baron Von Wittenstein – YouTube▶ Christophe Choo on HGTV Selling LA Season IV Episode 403 – Major Clients – the Baron Von Wittenstein – YouTubeBy Christophe Choo Posted Sep 13, 2013 In The Press, Latest Updates, Real Estate News▶ Christophe Choo on HGTV Selling LA Season IV Episode 403 – Major Clients – the Baron Von Wittenstein – YouTube▶ Christophe Choo on HGTV Selling LA Season IV Episode 403 - Major Clients - the Baron Von Wittenstein - YouTube.