At this both of the visitors were dumfounded.
"A written order?" gasped Hammerditch.
"Yes."
"By mail?"
"No, a young man brought it."
"Ze order must be von forgery!" came from the French Canadian.
"Certainly it must be a forgery," added his companion.
"It is no forgery, gentlemen."
The voice came from the rear doorway, and Robert confronted them.
"Who are you?" demanded Hammerditch roughly.