Walls sometimes speak. An exhibition of political posters Toni Robertson & Chips Mackinolty.

$Artist: b'Robertson, Toni.' | Title: b'Walls sometimes speak. An exhibition of political posters Toni Robertson & Chips Mackinolty.' | Date: 1977 | Technique: b'screenprint, printed in colour, from multiple stencils' | Copyright: b'\xc2\xa9 Toni Robertson'$