thickness of the down-stroke, are all noted and carefully compared.
Where only a signature has been forged, and that by means of tracings
from the original the resemblance is often so exact as to deceive even
the supposed author, but in these cases the microscope is generally
effective in determining not merely the forgery but the method by
which it was accomplished. It is some comfort to know that the cunning
of the forger is overmatched by the scientific skill of the trained
expert.




CHAPTER XXIV

HOW FORGERS ALTER BANK NOTES

Bankers Easily Deceived--How Ten One Hundred-Dollar Bills Are Made out
of Nine--How to Detect Altered Bank Notes--Making a Ten-Dollar Bill
out of a Five--A Ten Raised to Fifty--How Two-Dollar Bills are Raised
to a Higher Denomination--Bogus Money in Commercial Colleges--Action
of the United States Treasury Department--Engraving a Greenback--How
They Are Printed--Making a Vignette--Beyond the Reach of Rascals--How
Bank Notes Are Printed, Signed and Issued by the Government--Safeguards
to Foil Forgers, Counterfeiters and Alterers of Bank Notes--Devices to
Raise Genuine Bank Notes--Split Notes--Altering Silver Certificates.


A dangerous game and one too often successfully perpetrated, is the
raising of bank bills from a lower to a higher denomination.
Counterfeiters and forgers have often been detected making ten bills