Prunella Clough, Untitled Panel II, circa 1975, plastic and string on a wood panel, 16 × 16 inches ★ UK ★ https://www.christies.com/en/lot/lot-5704679 ⦾ https://www.christies.com/en/search?entry=Prunella%20Clough&page=1&sortby=relevance&tab=sold_lots #PrunellaClough #contemporaryart #abstractart #geometric #grids #opart #1970s