Okla. Stat. tit. 21, § 21-1624: Erasure and obliterations

The total or partial erasure or obliteration of any instrument

or writing, with intent to defraud, by which any pecuniary

obligation, or any right, interest or claim to property is or is

intended to be created, increased, discharged, diminished or in any

manner affected, is forgery, a Class B3 felony offense, in the same

degree as the false alteration of any part of such instrument or

writing.