British Vickers VI B Light Tank

Sources: 

Tank Combat in North Africa, The Opening Rounds by Thomas Jentz, ISBN: 0-7643-0226-4

AFV Profile #5, Light Tanks Marks I-VI by Major General N. W. Duncan

Museum vehicles:  Aberdeen, MD, USA; Bovington, UK; Borden Museum, Ontario, Canada, Saumur Museum, France.  I'm sure other examples exist, but here are 4 well know museums that have one.