Silver greeted him with a smile. 'No trouble up here, Sergeant.'
'Nothing down there either,' Watters said. 'The porters were a bit unruly but nothing unexpected.' He nodded to Anderson, who had followed him quicker than he had expected. 'Constable Muscles there was on hand.'
'The name's Anderson, Sergeant,' Anderson said seriously.
'Indeed it is,' Watters agreed. 'Can you move that safe?'
The safe was four foot by five foot of solid iron. Anderson put his shoulder to it. 'No, Sergeant. Not an inch.' He looked closer to the safe. 'It's bolted to the floor, sir.'
'Get it unbolted,' Watters ordered, 'and get it out. I don't care how you do it.'
'Wait!' Silver was on his knees beside the safe. 'There's something queer here.' He looked up. 'I was an apprentice plumber, Sergeant, before I
