Huntley & Palmers Toffee Advertising Tin Box

This is a Huntley & Palmers toffee advertising tin box from 1970. It has an open lid with an illustration of a London building on it. This tin has minor knocks and scratches and a good patina commensurate with its age. The type of biscuit is depicted on one side of the box. It was called Petit Beurre.