Material relating to the 56 Group Wales's Two Foot Square exhibition tour of 1970-1971, held at the Ikon Gallery in Birmingham, Cyfarthfa Castle Museum & Art Gallery in Merthyr Tydfil, Haverfordwest Library, the Memorial Gallery in Newtown and Bangor Art Gallery, including correspondence, 1970-1971, between Group secretary Mary Griffiths and exhibition venues and their representatives and between Mary Griffiths and the Welsh Arts Council (later the Arts Council of Wales); exhibition catalogue; press releases; list of exhibited works; printed invitation to private viewing; and other related correspondence. Many folios annotated by Mary Griffiths.