"Berkeley Chambers,
Cannon Street, E.C.
Dear Sir,—In reply to yours of the 29th ult. we beg to say that we can do you a good line in shaving brushes at the following wholesale prices:
| Badger | 70s. a gross. |
| Pure Badger | 75s. a gross. |
| Real Badger | 80s. a gross. |
Awaiting your esteemed order, which we shall have pleasure in promptly executing,
We are, sir,
Yours obediently,
Wilkinson and Allbutt.
Mr. James Macdonald."
That letter, innocent enough upon the face of it, contained dastardly instructions from the Chief of Police to a German spy! Read by the alphabetical code supplied to every German secret agent in England, it ran as follows:
(Phrase 1). "Discover without delay secret of new aeroplane."
(Phrase 2). "Forward particulars of best plan for blowing up