Sketches by 20th century artist Alberto Giacometti have been found in a Kensington antiques shop. Presumed missing, the drawings were uncovered under piles of papers, paintings and antiques, and have now been officially confirmed as genuine. The Giacometti sketches were discovered by Cambridge auction house Cheffins as they cleared the shop after the passing of the owner, Eila Grahame. There was mention of the two sketches during a previous evaluation of her effects after her...