The “Jeremy Corbyn” love heart coat worn by the Corbynista who ambushed David Cameron at Oxfordshire’s Wilderness Festival costs a mere £300. According to manufacturers IsolatedHeroes, the garment “comes with a detachable Mongolian lambs wool collar.” The woman in the picture is ‘art consultant’ Lucy Edwards, who runs a Soho gallery which sells prints for £800 each. Her Instagram shows her holidaying and hanging out in 5-star hotels. Classic socialist chic…