Salvador Dali Mirage painting

Salvador Dali Mirage paintingSalvador Dali Metamorphosis of Narcissus paintingSalvador Dali Melting Watch painting
There was another yell from below, rather louder than the last. Malfoy looked nervously over his shoulder again, then back at Dumbledore, who went on, 'So poor Rosmerta was forced to lurk in her own bathroom and pass that necklace to any Hogwarts student who entered the room unaccompanied? And the poisoned mead ... well, naturally, Rosmerta was able to poison it for you before she sent the bottle to Slughorn, believing that it was to be my Christmas present ... yes, very neat ... very neat ... poor Mr Filch would not, of course, think to check a bottle of Rosmerta's ... tell me, how have you been communicating with Rosmerta? I thought we had all methods of communication in and out of the school monitored.'
'Enchanted coins,' said Malfoy, as though he was compelled to keep talking, though his wand hand was shaking badly. 'I had one and she had the other and 1 could send her messages -'
'Isn't that the secret method of communication the group that called