Ala. Code § 12-21-40: Handwriting - Comparison of Disputed Writing with Genuine.

Comparison of a disputed writing with any writing admitted to be genuine or proven to the reasonable satisfaction of the court to be genuine shall be permitted to be made by witnesses who are qualified as experts or who are familiar with the handwriting of the person whose handwriting is in question, and such writings and the evidence of witnesses respecting the same may be submitted to the court or jury trying the case as evidence of the genuineness or otherwise of the writings in dispute.