Rule 901 - Requirement of authentication or identification (a) General provision. - The requirement of authentication or identification as a condition precedent to admissibility is satisfied by evidence sufficient to support a finding that the matter in question is what its proponent claims.
(b) Illustrations. - By way of illustration only, and not by way of limitation, the following are examples of authentication or identification conforming with the requirements of this rule:
(1) Testimony of Witness with Knowledge. - Testimony that a matter is what it is claimed to be; (2) Nonexpert Opinion on Handwriting. - Nonexpert opinion as to the genuineness of handwriting, based upon familiarity not acquired for purposes of the litigation; (3) Comparison by Trier or Expert Witness. - Comparison by the trier of fact or by expert witnesses with specimens which have been authenticated; (4) Distinctive Characteristics and the Like. - Appearance, contents, substance, internal patterns, or other distinctive characteristics, taken in conjunction with circumstances; (5) Voice Identification. - Identification of a voice, whether heard firsthand or through mechanical or electronic transmission or recording, by opinion based upon hearing the voice at any time under circumstances connecting it with the alleged speaker; (6) Telephone Conversations. - Telephone conversations, by evidence that a call was made to the number assigned at the time by the telephone company to a particular person or business, if (A) in the case of a person, circumstances, including self-identification, show the person answering to be the one called, or (B) in the case of a business, the call was made to a place of business and the conversation related to business reasonably transacted over the telephone; (7) Public Records or Reports. - Evidence that a writing authorized by law to be recorded or filed and in fact recorded or filed in a public office, or a purported public record, report, statement, or data compilation, in any form, is from the public office where items of this nature are kept; (8) Ancient Documents or Data Compilation. - Evidence that a document or data compilation, in any form, (A) is in such condition as to create no suspicion concerning its authenticity, (B) was in a place where it, if authentic, would likely be, and (C) has been in existence 20 years or more at the time it is offered; (9) Process or System. - Evidence describing a process or system used to produce a result and showing that the process or system produces an accurate result; (10) Methods Provided by Statute or Rule. - Any method of authentication or identification provided by statute or by other rules prescribed by the Supreme Court of Wyoming.