Whoever falsely makes, forges, counterfeits, or alters any instrument in imitation of or purporting to be, an abstract or official copy or certificate of the documentation of any vessel, or a certificate of ownership, pass, or clearance, granted for any vessel, under the authority of the United States, or a permit, debenture, or other official document granted by any officer of the customs by virtue of his office; or

Whoever utters, publishes, or passes, or attempts to utter, publish, or pass, as true, any such false, forged, counterfeited, or falsely altered instrument, abstract, official copy, certificate, pass, clearance, permit, debenture, or other official document herein specified, knowing the same to be false, forged, counterfeited, or falsely altered, with an intent to defraud—

Shall be fined under this title or imprisoned not more than three years, or both.