Sometimes in the course of his experience, a detective while engaged in ferreting out the mystery of one crime, runs inadvertently upon the clue to another. But rarely has this been done in a manner more unexpected or with attendant circumstances of greater interest than in the instance I am now about to relate. For sometime Washington officials had been baffled by the clever devices of a gang of counterfeiters who had inundated the western portion of Massachusetts with spurious Treasury notes. Some of the best talent of the Secret Service had been expended upon the matter, but with no favorable result, when, one day, notice was received in Washington a number of suspicious looking letters, addressed to with the simple initials, X.Y.Z., Brandon, Mass., were being daily forwarded and it being deemed possible a clue had at last been offered to the mystery in hand, I was sent investigate. We are pleased to present this easier-to-read, specially formatted Classic Mystery Story for your Reading Pleasure. Be sure to look for more great stories at www.RileysBookshelf.com