Simon took a photographic print from his pocket, showing the lady's hand and part of the receipt, very blurred and faint, with some hieroglyphic figures mistily appearing.
'Looks like 6,706,' said Albert.
'It's either 6,706 or 6,766,' Simon concurred. 'Now, Ravengar's receipt must be numbered next to hers. Consequently, if we go and look at the counterfoils and duplicates—'
'Yes,' said Albert, thoughtfully sliding down from the piano.
'We may be able to find out something very interesting,' Simon finished, descending also.
'Now?'
'Now. That's what I wanted you for. You've got your pass-keys and everything, haven't you?'
'Yes.'
'Then run down and search.'
'Aren't you coming too?'