MADRID, Spain — Spanish police are investigating the disappearance of a Pablo Picasso painting, which vanished while in transit from Madrid to the southern city of Granada for an exhibition, authorities said Thursday. “Still Life with Guitar,” an oil-on-canvas painting valued at 600,000 euros ($700,000), was scheduled to go on display at an exhibition organised by the CajaGranada foundation last week, local newspaper Ideal reported. All pieces in the show come from private collections, the foundation said. National police sources confirmed that the painting’s disappearance was under investigation but provided no further details, citing confidentiality rules. Thieves have frequently targeted […]... Keep on reading: Picasso painting vanishes en route to Spanish exhibition