18 U.S.C. § 503 : US Code - Section 503: Postmarking stamps

Search 18 U.S.C. § 503 : US Code - Section 503: Postmarking stamps

Whoever forges or counterfeits any postmarking stamp, or
impression thereof with intent to make it appear that such
impression is a genuine postmark, or makes or knowingly uses or
sells, or possesses with intent to use or sell, any forged or
counterfeited postmarking stamp, die, plate, or engraving, or such
impression thereof, shall be fined under this title or imprisoned
not more than five years, or both.