This guide is to serve as a general purpose manual for those familiarising themselves with counterfeiting methods. THE AUTHOR IN NO WAY CONDONES THE USE OF THESE METHODS FOR ILLEGAL ACTIVITIES. While the author may or may not support the ideals motivating such activities, any claim that references content from this manual to support any claim against the author for aiding, inciting, conspiring, or participation in any illegal activities is taken out of context and is thus wrong and unlawful. THIS MANUAL IS FOR EDUCATIONAL PURPOSES ONLY, and the THE AUTHOR STRONGLY ADVISES THE READER AGAINST PERSUING ANY ILLEGAL ACTIVITIES. Please check your National, and local laws regarding the use and application of this information for whatever reason. COUNTERFEITING AND RELATED ACTIVITIES ARE CONSIDERED HIGHLY ILLEGAL IN MOST JURISDICTIONS. The current issue US $100 bill (2.61” x 6.14” x 0.0043”) is printed on bond paper stock which the Federal Reserve obtains from Crane & Co. in Boston. Currently they are using what they call Marathon High Durability substrate. This substrate consists of a paper made from two sheets of a proprietary blend of cotton flax and linen. Red and Blue silk fibers are added, however these can be simulated easily by pre-printing them before printing anything else..........