May or may not bear an original signature.

Originates or is retained at one or more Office(s) of Primary Responsibility for the operation or function of the record.

Was originally a convenience, information, or other non-record to which significant annotations or added signatures have been made.

Was originally a convenience or information copy but has been retained past the destruction of the original record becoming by default the record.

When in doubt about the status of a record, it is safest to handle it as an official record.