Postboxes have been vandalised again just six months after they were spray-painted to look like Mr Blobby and a Cadbury’s Creme Egg. The pillar boxes in Temple Hill, Dartford, have been given a fresh lick of paint — but it’s not the traditional Royal Mail red you might expect. This time they have been redecorated to resemble different chocolate bar wrappers. At least five of the area’s postboxes have been altered with one in Pilgrim’s Way decorated with the purple and red colours of a Cadbury Wispa, complete with stencilled logos. Another in Nightingale Grove has been given two logos – a purpl…