When a grantor is dead, out of the state, or refuses to acknowledge the conveyance, and all the subscribing witnesses to the conveyance are also dead or reside out of the state, the conveyance may be proved before the superior court, by proving the handwriting of the grantor and of a subscribing witness to it.
AS 34.15.220
Proof of conveyance by handwriting
Official source: Alaska State Legislature. Reproduced from public-domain Alaska statutes; confirm against the official source for the current text. Not legal advice.