I have the Triumph Herald 13/60  in either saloon ,  or convertible form   1/43rd scale whitemetal kit produced by K & R Replicas for sale. This comes in original packing with full instructions  . Will make up into a lovely model with a little patience. 

Also available as the 13/60 with both sunroof open and closed options 

Kit contains appropriate roof section or tonneau depending on version ordered