An enamel advertisement, 1930's, the shape being in the form of a London Transport stage sign / London Underground sign, being a circle with a horizontal bar across the centre. The advertisement bears the words " Craven A " in red capitals, with a white background across the horizontal bar. The circle itself bears the words, in small white capitals, " Will Not Affect Your Throat ". The circle is in the from of a series of concentric circles, the colours of which range from yellow in the centre, through to orange and finally red in the outside circle. The sign is bordered in black. The blue / black 'grip' coat indicates a steel base plate.