The most commonly forged items are actually documentsespecially identity documents, like fake IDs. Discover the ins and outs of forging signatures.Identifying fake documentation is a challenge, especially in the digital world. Forgery is the process of creating, adapting, or imitating objects or documents. What Is the Difference Between Misdemeanor Forgery and Criminal Forgery? What Is Criminal Possession of a Forged Instrument? Depending on the type of document or instrument you are accused of forging, you could face serious felony penalties and a lifelong criminal record. Just about any money, tokens, stamps, seals, badges, credit cards, or other sorts of documents can be forged. There are different types of fake documents based on the methods employed to make and use them.