A seal is presumed to be genuine and its use authorized if it purports to be the seal of:

1. (a) The United States or a department, agency, or public employee of the United States.
2. (b) A public entity in the United States or a department, agency, or public employee of such public entity.
3. (c) A nation recognized by the executive power of the United States or a department, agency, or officer of such nation.
4. (d) A public entity in a nation recognized by the executive power of the United States or a department, agency, or officer of such public entity.
5. (e) A court of admiralty or maritime jurisdiction.
6. (f) A notary public within any state of the United States.