New York Laws
Article 13 - Express Warranties
13.03 - Falsifying Certificates of Authenticity or Any Similar Written Instrument.

ยง 13.03. Falsifying certificates of authenticity or any similar
written instrument. A person who, with intent to defraud, deceive or
injure another, makes, utters or issues a certificate of authenticity or
any similar written instrument for a work of fine art attesting to
material facts which the work does not in fact possess is guilty of a
class A misdemeanor.