A little more information:
G.F Taylor, along with Johnny Offord, were Buckler's 'in house' body builder, housed on the same site as the buckler factory, although they also built bodies for other marques, including the Healey Westland bodies.
The Mk X was the first Buckler with a 'standard' body, all the built-up cars carried aluminium Taylor bodywork, although it was possible to order an unclothed chassis.